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Finding the Fourth Proportional to 59,249.28, 81,756.08 and 38,057.28

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Solution

The fourth proportional to 59,249.28, 81,756.08 and 38,057.28 is: 52,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,249.28 : 81,756.08 = 38,057.28 : x
  2. Step 2: Convert to fraction form
    59,249.28/81,756.08 = 38,057.28/x
  3. Step 3: Cross multiply
    59,249.28x = 81,756.08 × 38,057.28
  4. Step 4: Simplify right side
    59,249.28x = 3,111,414,028.26
  5. Step 5: Solve for x
    x = 3,111,414,028.26/59,249.28
  6. Step 6: Final answer
    x = 52,513.96

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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.