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Finding the Fourth Proportional to 62,680.64, 93,876.96 and 52,692.80

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Solution

The fourth proportional to 62,680.64, 93,876.96 and 52,692.80 is: 78,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,680.64 : 93,876.96 = 52,692.80 : x
  2. Step 2: Convert to fraction form
    62,680.64/93,876.96 = 52,692.80/x
  3. Step 3: Cross multiply
    62,680.64x = 93,876.96 × 52,692.80
  4. Step 4: Simplify right side
    62,680.64x = 4,946,639,877.89
  5. Step 5: Solve for x
    x = 4,946,639,877.89/62,680.64
  6. Step 6: Final answer
    x = 78,918.15

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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.