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Finding the Fourth Proportional to 52,553.20, 78,700.20 and 34,927.60

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Solution

The fourth proportional to 52,553.20, 78,700.20 and 34,927.60 is: 52,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,553.20 : 78,700.20 = 34,927.60 : x
  2. Step 2: Convert to fraction form
    52,553.20/78,700.20 = 34,927.60/x
  3. Step 3: Cross multiply
    52,553.20x = 78,700.20 × 34,927.60
  4. Step 4: Simplify right side
    52,553.20x = 2,748,809,105.52
  5. Step 5: Solve for x
    x = 2,748,809,105.52/52,553.20
  6. Step 6: Final answer
    x = 52,305.27

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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.