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Finding the Fourth Proportional to 61,787.60, 92,681.40 and 22,350.80

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Solution

The fourth proportional to 61,787.60, 92,681.40 and 22,350.80 is: 33,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.60 : 92,681.40 = 22,350.80 : x
  2. Step 2: Convert to fraction form
    61,787.60/92,681.40 = 22,350.80/x
  3. Step 3: Cross multiply
    61,787.60x = 92,681.40 × 22,350.80
  4. Step 4: Simplify right side
    61,787.60x = 2,071,503,435.12
  5. Step 5: Solve for x
    x = 2,071,503,435.12/61,787.60
  6. Step 6: Final answer
    x = 33,526.20

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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.