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Finding the Fourth Proportional to 57,720.60, 86,580.90 and 24,464.70

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Solution

The fourth proportional to 57,720.60, 86,580.90 and 24,464.70 is: 36,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.60 : 86,580.90 = 24,464.70 : x
  2. Step 2: Convert to fraction form
    57,720.60/86,580.90 = 24,464.70/x
  3. Step 3: Cross multiply
    57,720.60x = 86,580.90 × 24,464.70
  4. Step 4: Simplify right side
    57,720.60x = 2,118,175,744.23
  5. Step 5: Solve for x
    x = 2,118,175,744.23/57,720.60
  6. Step 6: Final answer
    x = 36,697.05

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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.