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Finding the Fourth Proportional to 23,541.71, 32,489.03 and 15,570.09

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Solution

The fourth proportional to 23,541.71, 32,489.03 and 15,570.09 is: 21,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,541.71 : 32,489.03 = 15,570.09 : x
  2. Step 2: Convert to fraction form
    23,541.71/32,489.03 = 15,570.09/x
  3. Step 3: Cross multiply
    23,541.71x = 32,489.03 × 15,570.09
  4. Step 4: Simplify right side
    23,541.71x = 505,857,160.04
  5. Step 5: Solve for x
    x = 505,857,160.04/23,541.71
  6. Step 6: Final answer
    x = 21,487.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.