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Finding the Fourth Proportional to 61,871.90, 92,807.76 and 22,428.92

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Solution

The fourth proportional to 61,871.90, 92,807.76 and 22,428.92 is: 33,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,871.90 : 92,807.76 = 22,428.92 : x
  2. Step 2: Convert to fraction form
    61,871.90/92,807.76 = 22,428.92/x
  3. Step 3: Cross multiply
    61,871.90x = 92,807.76 × 22,428.92
  4. Step 4: Simplify right side
    61,871.90x = 2,081,577,824.42
  5. Step 5: Solve for x
    x = 2,081,577,824.42/61,871.90
  6. Step 6: Final answer
    x = 33,643.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.