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Finding the Fourth Proportional to 60,920.10, 91,278.90 and 58,616.46

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Solution

The fourth proportional to 60,920.10, 91,278.90 and 58,616.46 is: 87,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,920.10 : 91,278.90 = 58,616.46 : x
  2. Step 2: Convert to fraction form
    60,920.10/91,278.90 = 58,616.46/x
  3. Step 3: Cross multiply
    60,920.10x = 91,278.90 × 58,616.46
  4. Step 4: Simplify right side
    60,920.10x = 5,350,445,990.69
  5. Step 5: Solve for x
    x = 5,350,445,990.69/60,920.10
  6. Step 6: Final answer
    x = 87,827.27

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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.