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Finding the Fourth Proportional to 66,404.60, 99,621.70 and 24,283.75

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Solution

The fourth proportional to 66,404.60, 99,621.70 and 24,283.75 is: 36,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,404.60 : 99,621.70 = 24,283.75 : x
  2. Step 2: Convert to fraction form
    66,404.60/99,621.70 = 24,283.75/x
  3. Step 3: Cross multiply
    66,404.60x = 99,621.70 × 24,283.75
  4. Step 4: Simplify right side
    66,404.60x = 2,419,188,457.38
  5. Step 5: Solve for x
    x = 2,419,188,457.38/66,404.60
  6. Step 6: Final answer
    x = 36,431.04

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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.