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Finding the Fourth Proportional to 62,968.90, 86,897.73 and 34,677.22

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Solution

The fourth proportional to 62,968.90, 86,897.73 and 34,677.22 is: 47,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,968.90 : 86,897.73 = 34,677.22 : x
  2. Step 2: Convert to fraction form
    62,968.90/86,897.73 = 34,677.22/x
  3. Step 3: Cross multiply
    62,968.90x = 86,897.73 × 34,677.22
  4. Step 4: Simplify right side
    62,968.90x = 3,013,371,700.71
  5. Step 5: Solve for x
    x = 3,013,371,700.71/62,968.90
  6. Step 6: Final answer
    x = 47,854.92

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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.