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Finding the Fourth Proportional to 60,999.40, 91,644.90 and 54,584.20

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Solution

The fourth proportional to 60,999.40, 91,644.90 and 54,584.20 is: 82,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,999.40 : 91,644.90 = 54,584.20 : x
  2. Step 2: Convert to fraction form
    60,999.40/91,644.90 = 54,584.20/x
  3. Step 3: Cross multiply
    60,999.40x = 91,644.90 × 54,584.20
  4. Step 4: Simplify right side
    60,999.40x = 5,002,363,550.58
  5. Step 5: Solve for x
    x = 5,002,363,550.58/60,999.40
  6. Step 6: Final answer
    x = 82,006.77

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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.