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Finding the Fourth Proportional to 55,272.66, 82,908.65 and 15,829.78

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Solution

The fourth proportional to 55,272.66, 82,908.65 and 15,829.78 is: 23,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.66 : 82,908.65 = 15,829.78 : x
  2. Step 2: Convert to fraction form
    55,272.66/82,908.65 = 15,829.78/x
  3. Step 3: Cross multiply
    55,272.66x = 82,908.65 × 15,829.78
  4. Step 4: Simplify right side
    55,272.66x = 1,312,425,521.90
  5. Step 5: Solve for x
    x = 1,312,425,521.90/55,272.66
  6. Step 6: Final answer
    x = 23,744.57

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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.