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Finding the Fourth Proportional to 62,918.29, 86,827.26 and 34,624

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Solution

The fourth proportional to 62,918.29, 86,827.26 and 34,624 is: 47,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,918.29 : 86,827.26 = 34,624 : x
  2. Step 2: Convert to fraction form
    62,918.29/86,827.26 = 34,624/x
  3. Step 3: Cross multiply
    62,918.29x = 86,827.26 × 34,624
  4. Step 4: Simplify right side
    62,918.29x = 3,006,307,050.24
  5. Step 5: Solve for x
    x = 3,006,307,050.24/62,918.29
  6. Step 6: Final answer
    x = 47,781.13

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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.