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Finding the Fourth Proportional to 9,662.80, 14,494.20 and 6,552.40

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Solution

The fourth proportional to 9,662.80, 14,494.20 and 6,552.40 is: 9,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.80 : 14,494.20 = 6,552.40 : x
  2. Step 2: Convert to fraction form
    9,662.80/14,494.20 = 6,552.40/x
  3. Step 3: Cross multiply
    9,662.80x = 14,494.20 × 6,552.40
  4. Step 4: Simplify right side
    9,662.80x = 94,971,796.08
  5. Step 5: Solve for x
    x = 94,971,796.08/9,662.80
  6. Step 6: Final answer
    x = 9,828.60

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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.