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Finding the Fourth Proportional to 66,215.52, 99,327.60 and 24,648.48

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Solution

The fourth proportional to 66,215.52, 99,327.60 and 24,648.48 is: 36,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,215.52 : 99,327.60 = 24,648.48 : x
  2. Step 2: Convert to fraction form
    66,215.52/99,327.60 = 24,648.48/x
  3. Step 3: Cross multiply
    66,215.52x = 99,327.60 × 24,648.48
  4. Step 4: Simplify right side
    66,215.52x = 2,448,274,362.05
  5. Step 5: Solve for x
    x = 2,448,274,362.05/66,215.52
  6. Step 6: Final answer
    x = 36,974.33

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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.