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Finding the Fourth Proportional to 57,720.30, 86,568.30 and 24,441.45

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Solution

The fourth proportional to 57,720.30, 86,568.30 and 24,441.45 is: 36,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.30 : 86,568.30 = 24,441.45 : x
  2. Step 2: Convert to fraction form
    57,720.30/86,568.30 = 24,441.45/x
  3. Step 3: Cross multiply
    57,720.30x = 86,568.30 × 24,441.45
  4. Step 4: Simplify right side
    57,720.30x = 2,115,854,776.04
  5. Step 5: Solve for x
    x = 2,115,854,776.04/57,720.30
  6. Step 6: Final answer
    x = 36,657.03

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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.