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Finding the Fourth Proportional to 60,191.73, 83,009.75 and 51,691.19

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Solution

The fourth proportional to 60,191.73, 83,009.75 and 51,691.19 is: 71,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,191.73 : 83,009.75 = 51,691.19 : x
  2. Step 2: Convert to fraction form
    60,191.73/83,009.75 = 51,691.19/x
  3. Step 3: Cross multiply
    60,191.73x = 83,009.75 × 51,691.19
  4. Step 4: Simplify right side
    60,191.73x = 4,290,872,085.60
  5. Step 5: Solve for x
    x = 4,290,872,085.60/60,191.73
  6. Step 6: Final answer
    x = 71,286.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.