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Finding the Fourth Proportional to 6,643,598.40, 9,965,397.60 and 6,055,732.80

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Solution

The fourth proportional to 6,643,598.40, 9,965,397.60 and 6,055,732.80 is: 9,083,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,598.40 : 9,965,397.60 = 6,055,732.80 : x
  2. Step 2: Convert to fraction form
    6,643,598.40/9,965,397.60 = 6,055,732.80/x
  3. Step 3: Cross multiply
    6,643,598.40x = 9,965,397.60 × 6,055,732.80
  4. Step 4: Simplify right side
    6,643,598.40x = 60,347,785,111,361.27
  5. Step 5: Solve for x
    x = 60,347,785,111,361.27/6,643,598.40
  6. Step 6: Final answer
    x = 9,083,599.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.