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Finding the Fourth Proportional to 62,577.61, 86,359.30 and 34,283.30

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Solution

The fourth proportional to 62,577.61, 86,359.30 and 34,283.30 is: 47,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,577.61 : 86,359.30 = 34,283.30 : x
  2. Step 2: Convert to fraction form
    62,577.61/86,359.30 = 34,283.30/x
  3. Step 3: Cross multiply
    62,577.61x = 86,359.30 × 34,283.30
  4. Step 4: Simplify right side
    62,577.61x = 2,960,681,272.19
  5. Step 5: Solve for x
    x = 2,960,681,272.19/62,577.61
  6. Step 6: Final answer
    x = 47,312.15

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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.