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Finding the Fourth Proportional to 55,251.46, 82,877.16 and 13,698.46

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Solution

The fourth proportional to 55,251.46, 82,877.16 and 13,698.46 is: 20,547.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.46 : 82,877.16 = 13,698.46 : x
  2. Step 2: Convert to fraction form
    55,251.46/82,877.16 = 13,698.46/x
  3. Step 3: Cross multiply
    55,251.46x = 82,877.16 × 13,698.46
  4. Step 4: Simplify right side
    55,251.46x = 1,135,289,461.17
  5. Step 5: Solve for x
    x = 1,135,289,461.17/55,251.46
  6. Step 6: Final answer
    x = 20,547.68

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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.