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Finding the Fourth Proportional to 60,594.50, 90,892.20 and 21,151.65

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Solution

The fourth proportional to 60,594.50, 90,892.20 and 21,151.65 is: 31,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,594.50 : 90,892.20 = 21,151.65 : x
  2. Step 2: Convert to fraction form
    60,594.50/90,892.20 = 21,151.65/x
  3. Step 3: Cross multiply
    60,594.50x = 90,892.20 × 21,151.65
  4. Step 4: Simplify right side
    60,594.50x = 1,922,520,002.13
  5. Step 5: Solve for x
    x = 1,922,520,002.13/60,594.50
  6. Step 6: Final answer
    x = 31,727.63

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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.