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Finding the Fourth Proportional to 72,773.55, 109,125.75 and 25,382.88

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Solution

The fourth proportional to 72,773.55, 109,125.75 and 25,382.88 is: 38,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773.55 : 109,125.75 = 25,382.88 : x
  2. Step 2: Convert to fraction form
    72,773.55/109,125.75 = 25,382.88/x
  3. Step 3: Cross multiply
    72,773.55x = 109,125.75 × 25,382.88
  4. Step 4: Simplify right side
    72,773.55x = 2,769,925,976.57
  5. Step 5: Solve for x
    x = 2,769,925,976.57/72,773.55
  6. Step 6: Final answer
    x = 38,062.26

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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.