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Finding the Fourth Proportional to 57,773.64, 86,653.80 and 15,651.24

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Solution

The fourth proportional to 57,773.64, 86,653.80 and 15,651.24 is: 23,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.64 : 86,653.80 = 15,651.24 : x
  2. Step 2: Convert to fraction form
    57,773.64/86,653.80 = 15,651.24/x
  3. Step 3: Cross multiply
    57,773.64x = 86,653.80 × 15,651.24
  4. Step 4: Simplify right side
    57,773.64x = 1,356,239,420.71
  5. Step 5: Solve for x
    x = 1,356,239,420.71/57,773.64
  6. Step 6: Final answer
    x = 23,475.06

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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.