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Finding the Fourth Proportional to 63,302.74, 87,354.51 and 34,616.81

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Solution

The fourth proportional to 63,302.74, 87,354.51 and 34,616.81 is: 47,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,302.74 : 87,354.51 = 34,616.81 : x
  2. Step 2: Convert to fraction form
    63,302.74/87,354.51 = 34,616.81/x
  3. Step 3: Cross multiply
    63,302.74x = 87,354.51 × 34,616.81
  4. Step 4: Simplify right side
    63,302.74x = 3,023,934,784.09
  5. Step 5: Solve for x
    x = 3,023,934,784.09/63,302.74
  6. Step 6: Final answer
    x = 47,769.42

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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.