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Finding the Fourth Proportional to 60,478.65, 90,728.91 and 24,920.19

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Solution

The fourth proportional to 60,478.65, 90,728.91 and 24,920.19 is: 37,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478.65 : 90,728.91 = 24,920.19 : x
  2. Step 2: Convert to fraction form
    60,478.65/90,728.91 = 24,920.19/x
  3. Step 3: Cross multiply
    60,478.65x = 90,728.91 × 24,920.19
  4. Step 4: Simplify right side
    60,478.65x = 2,260,981,675.69
  5. Step 5: Solve for x
    x = 2,260,981,675.69/60,478.65
  6. Step 6: Final answer
    x = 37,384.79

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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.