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Finding the Fourth Proportional to 57,053.40, 85,585.02 and 14,933.31

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Solution

The fourth proportional to 57,053.40, 85,585.02 and 14,933.31 is: 22,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,053.40 : 85,585.02 = 14,933.31 : x
  2. Step 2: Convert to fraction form
    57,053.40/85,585.02 = 14,933.31/x
  3. Step 3: Cross multiply
    57,053.40x = 85,585.02 × 14,933.31
  4. Step 4: Simplify right side
    57,053.40x = 1,278,067,635.02
  5. Step 5: Solve for x
    x = 1,278,067,635.02/57,053.40
  6. Step 6: Final answer
    x = 22,401.25

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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.