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Finding the Fourth Proportional to 63,402.89, 87,496.97 and 34,722.02

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Solution

The fourth proportional to 63,402.89, 87,496.97 and 34,722.02 is: 47,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,402.89 : 87,496.97 = 34,722.02 : x
  2. Step 2: Convert to fraction form
    63,402.89/87,496.97 = 34,722.02/x
  3. Step 3: Cross multiply
    63,402.89x = 87,496.97 × 34,722.02
  4. Step 4: Simplify right side
    63,402.89x = 3,038,071,587.41
  5. Step 5: Solve for x
    x = 3,038,071,587.41/63,402.89
  6. Step 6: Final answer
    x = 47,916.93

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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.