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Finding the Fourth Proportional to 29,387.64, 44,081.46 and 10,657.20

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Solution

The fourth proportional to 29,387.64, 44,081.46 and 10,657.20 is: 15,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.64 : 44,081.46 = 10,657.20 : x
  2. Step 2: Convert to fraction form
    29,387.64/44,081.46 = 10,657.20/x
  3. Step 3: Cross multiply
    29,387.64x = 44,081.46 × 10,657.20
  4. Step 4: Simplify right side
    29,387.64x = 469,784,935.51
  5. Step 5: Solve for x
    x = 469,784,935.51/29,387.64
  6. Step 6: Final answer
    x = 15,985.80

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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.