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Finding the Fourth Proportional to 55,342.72, 83,001.84 and 15,891.04

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Solution

The fourth proportional to 55,342.72, 83,001.84 and 15,891.04 is: 23,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.72 : 83,001.84 = 15,891.04 : x
  2. Step 2: Convert to fraction form
    55,342.72/83,001.84 = 15,891.04/x
  3. Step 3: Cross multiply
    55,342.72x = 83,001.84 × 15,891.04
  4. Step 4: Simplify right side
    55,342.72x = 1,318,985,559.51
  5. Step 5: Solve for x
    x = 1,318,985,559.51/55,342.72
  6. Step 6: Final answer
    x = 23,833.05

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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.