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Finding the Fourth Proportional to 60,781.30, 91,107.15 and 23,326.90

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Solution

The fourth proportional to 60,781.30, 91,107.15 and 23,326.90 is: 34,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,781.30 : 91,107.15 = 23,326.90 : x
  2. Step 2: Convert to fraction form
    60,781.30/91,107.15 = 23,326.90/x
  3. Step 3: Cross multiply
    60,781.30x = 91,107.15 × 23,326.90
  4. Step 4: Simplify right side
    60,781.30x = 2,125,247,377.34
  5. Step 5: Solve for x
    x = 2,125,247,377.34/60,781.30
  6. Step 6: Final answer
    x = 34,965.48

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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.