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Finding the Fourth Proportional to 52,508.80, 78,801.60 and 34,972.80

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Solution

The fourth proportional to 52,508.80, 78,801.60 and 34,972.80 is: 52,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,508.80 : 78,801.60 = 34,972.80 : x
  2. Step 2: Convert to fraction form
    52,508.80/78,801.60 = 34,972.80/x
  3. Step 3: Cross multiply
    52,508.80x = 78,801.60 × 34,972.80
  4. Step 4: Simplify right side
    52,508.80x = 2,755,912,596.48
  5. Step 5: Solve for x
    x = 2,755,912,596.48/52,508.80
  6. Step 6: Final answer
    x = 52,484.78

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1.5x scale

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.