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Finding the Fourth Proportional to 60,732.48, 91,218.78 and 36,765.24

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Solution

The fourth proportional to 60,732.48, 91,218.78 and 36,765.24 is: 55,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,732.48 : 91,218.78 = 36,765.24 : x
  2. Step 2: Convert to fraction form
    60,732.48/91,218.78 = 36,765.24/x
  3. Step 3: Cross multiply
    60,732.48x = 91,218.78 × 36,765.24
  4. Step 4: Simplify right side
    60,732.48x = 3,353,680,339.21
  5. Step 5: Solve for x
    x = 3,353,680,339.21/60,732.48
  6. Step 6: Final answer
    x = 55,220.54

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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.