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Finding the Fourth Proportional to 60,472.35, 90,708.72 and 18,352.79

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Solution

The fourth proportional to 60,472.35, 90,708.72 and 18,352.79 is: 27,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,472.35 : 90,708.72 = 18,352.79 : x
  2. Step 2: Convert to fraction form
    60,472.35/90,708.72 = 18,352.79/x
  3. Step 3: Cross multiply
    60,472.35x = 90,708.72 × 18,352.79
  4. Step 4: Simplify right side
    60,472.35x = 1,664,758,089.33
  5. Step 5: Solve for x
    x = 1,664,758,089.33/60,472.35
  6. Step 6: Final answer
    x = 27,529.24

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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.