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Finding the Fourth Proportional to 54,305.88, 81,458.01 and 14,862.93

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Solution

The fourth proportional to 54,305.88, 81,458.01 and 14,862.93 is: 22,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.88 : 81,458.01 = 14,862.93 : x
  2. Step 2: Convert to fraction form
    54,305.88/81,458.01 = 14,862.93/x
  3. Step 3: Cross multiply
    54,305.88x = 81,458.01 × 14,862.93
  4. Step 4: Simplify right side
    54,305.88x = 1,210,704,700.57
  5. Step 5: Solve for x
    x = 1,210,704,700.57/54,305.88
  6. Step 6: Final answer
    x = 22,294.17

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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.