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Finding the Fourth Proportional to 4,411.97, 6,617.97 and 1,490.30

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Solution

The fourth proportional to 4,411.97, 6,617.97 and 1,490.30 is: 2,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.97 : 6,617.97 = 1,490.30 : x
  2. Step 2: Convert to fraction form
    4,411.97/6,617.97 = 1,490.30/x
  3. Step 3: Cross multiply
    4,411.97x = 6,617.97 × 1,490.30
  4. Step 4: Simplify right side
    4,411.97x = 9,862,727.60
  5. Step 5: Solve for x
    x = 9,862,727.60/4,411.97
  6. Step 6: Final answer
    x = 2,235.45

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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.