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Finding the Fourth Proportional to 54,766.32, 82,151.64 and 15,326.88

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Solution

The fourth proportional to 54,766.32, 82,151.64 and 15,326.88 is: 22,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,766.32 : 82,151.64 = 15,326.88 : x
  2. Step 2: Convert to fraction form
    54,766.32/82,151.64 = 15,326.88/x
  3. Step 3: Cross multiply
    54,766.32x = 82,151.64 × 15,326.88
  4. Step 4: Simplify right side
    54,766.32x = 1,259,128,328.08
  5. Step 5: Solve for x
    x = 1,259,128,328.08/54,766.32
  6. Step 6: Final answer
    x = 22,990.92

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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.