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Finding the Fourth Proportional to 60,059.55, 90,091.17 and 20,616.12

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Solution

The fourth proportional to 60,059.55, 90,091.17 and 20,616.12 is: 30,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,059.55 : 90,091.17 = 20,616.12 : x
  2. Step 2: Convert to fraction form
    60,059.55/90,091.17 = 20,616.12/x
  3. Step 3: Cross multiply
    60,059.55x = 90,091.17 × 20,616.12
  4. Step 4: Simplify right side
    60,059.55x = 1,857,330,371.66
  5. Step 5: Solve for x
    x = 1,857,330,371.66/60,059.55
  6. Step 6: Final answer
    x = 30,924.81

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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.