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Finding the Fourth Proportional to 39,130.86, 58,720.86 and 22,523.43

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Solution

The fourth proportional to 39,130.86, 58,720.86 and 22,523.43 is: 33,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,130.86 : 58,720.86 = 22,523.43 : x
  2. Step 2: Convert to fraction form
    39,130.86/58,720.86 = 22,523.43/x
  3. Step 3: Cross multiply
    39,130.86x = 58,720.86 × 22,523.43
  4. Step 4: Simplify right side
    39,130.86x = 1,322,595,179.75
  5. Step 5: Solve for x
    x = 1,322,595,179.75/39,130.86
  6. Step 6: Final answer
    x = 33,799.29

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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.