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Finding the Fourth Proportional to 63,685.71, 95,528.70 and 16,938.59

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Solution

The fourth proportional to 63,685.71, 95,528.70 and 16,938.59 is: 25,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,685.71 : 95,528.70 = 16,938.59 : x
  2. Step 2: Convert to fraction form
    63,685.71/95,528.70 = 16,938.59/x
  3. Step 3: Cross multiply
    63,685.71x = 95,528.70 × 16,938.59
  4. Step 4: Simplify right side
    63,685.71x = 1,618,121,004.89
  5. Step 5: Solve for x
    x = 1,618,121,004.89/63,685.71
  6. Step 6: Final answer
    x = 25,407.91

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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.