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Finding the Fourth Proportional to 60,999.60, 91,456.20 and 23,545.20

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Solution

The fourth proportional to 60,999.60, 91,456.20 and 23,545.20 is: 35,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,999.60 : 91,456.20 = 23,545.20 : x
  2. Step 2: Convert to fraction form
    60,999.60/91,456.20 = 23,545.20/x
  3. Step 3: Cross multiply
    60,999.60x = 91,456.20 × 23,545.20
  4. Step 4: Simplify right side
    60,999.60x = 2,153,354,520.24
  5. Step 5: Solve for x
    x = 2,153,354,520.24/60,999.60
  6. Step 6: Final answer
    x = 35,301.13

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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.