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Finding the Fourth Proportional to 82,593.60, 123,890.28 and 20,263.44

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Solution

The fourth proportional to 82,593.60, 123,890.28 and 20,263.44 is: 30,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,593.60 : 123,890.28 = 20,263.44 : x
  2. Step 2: Convert to fraction form
    82,593.60/123,890.28 = 20,263.44/x
  3. Step 3: Cross multiply
    82,593.60x = 123,890.28 × 20,263.44
  4. Step 4: Simplify right side
    82,593.60x = 2,510,443,255.36
  5. Step 5: Solve for x
    x = 2,510,443,255.36/82,593.60
  6. Step 6: Final answer
    x = 30,395.13

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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.