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Finding the Fourth Proportional to 66,234.40, 99,351.60 and 24,672.80

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Solution

The fourth proportional to 66,234.40, 99,351.60 and 24,672.80 is: 37,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.40 : 99,351.60 = 24,672.80 : x
  2. Step 2: Convert to fraction form
    66,234.40/99,351.60 = 24,672.80/x
  3. Step 3: Cross multiply
    66,234.40x = 99,351.60 × 24,672.80
  4. Step 4: Simplify right side
    66,234.40x = 2,451,282,156.48
  5. Step 5: Solve for x
    x = 2,451,282,156.48/66,234.40
  6. Step 6: Final answer
    x = 37,009.20

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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.