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Finding the Fourth Proportional to 61,337.76, 84,641.91 and 34,484.43

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Solution

The fourth proportional to 61,337.76, 84,641.91 and 34,484.43 is: 47,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,337.76 : 84,641.91 = 34,484.43 : x
  2. Step 2: Convert to fraction form
    61,337.76/84,641.91 = 34,484.43/x
  3. Step 3: Cross multiply
    61,337.76x = 84,641.91 × 34,484.43
  4. Step 4: Simplify right side
    61,337.76x = 2,918,828,402.53
  5. Step 5: Solve for x
    x = 2,918,828,402.53/61,337.76
  6. Step 6: Final answer
    x = 47,586.16

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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.