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Finding the Fourth Proportional to 60,471.77, 90,197.43 and 52,511.69

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Solution

The fourth proportional to 60,471.77, 90,197.43 and 52,511.69 is: 78,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,471.77 : 90,197.43 = 52,511.69 : x
  2. Step 2: Convert to fraction form
    60,471.77/90,197.43 = 52,511.69/x
  3. Step 3: Cross multiply
    60,471.77x = 90,197.43 × 52,511.69
  4. Step 4: Simplify right side
    60,471.77x = 4,736,419,173.29
  5. Step 5: Solve for x
    x = 4,736,419,173.29/60,471.77
  6. Step 6: Final answer
    x = 78,324.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.