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Finding the Fourth Proportional to 55,363.50, 83,045.25 and 17,954.87

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Solution

The fourth proportional to 55,363.50, 83,045.25 and 17,954.87 is: 26,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.50 : 83,045.25 = 17,954.87 : x
  2. Step 2: Convert to fraction form
    55,363.50/83,045.25 = 17,954.87/x
  3. Step 3: Cross multiply
    55,363.50x = 83,045.25 × 17,954.87
  4. Step 4: Simplify right side
    55,363.50x = 1,491,066,252.64
  5. Step 5: Solve for x
    x = 1,491,066,252.64/55,363.50
  6. Step 6: Final answer
    x = 26,932.30

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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.