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Finding the Fourth Proportional to 52,593.85, 72,579.14 and 28,720.52

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Solution

The fourth proportional to 52,593.85, 72,579.14 and 28,720.52 is: 39,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,593.85 : 72,579.14 = 28,720.52 : x
  2. Step 2: Convert to fraction form
    52,593.85/72,579.14 = 28,720.52/x
  3. Step 3: Cross multiply
    52,593.85x = 72,579.14 × 28,720.52
  4. Step 4: Simplify right side
    52,593.85x = 2,084,510,739.38
  5. Step 5: Solve for x
    x = 2,084,510,739.38/52,593.85
  6. Step 6: Final answer
    x = 39,634.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.