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Finding the Fourth Proportional to 62,747.84, 94,112.02 and 18,364.16

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Solution

The fourth proportional to 62,747.84, 94,112.02 and 18,364.16 is: 27,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,747.84 : 94,112.02 = 18,364.16 : x
  2. Step 2: Convert to fraction form
    62,747.84/94,112.02 = 18,364.16/x
  3. Step 3: Cross multiply
    62,747.84x = 94,112.02 × 18,364.16
  4. Step 4: Simplify right side
    62,747.84x = 1,728,288,193.20
  5. Step 5: Solve for x
    x = 1,728,288,193.20/62,747.84
  6. Step 6: Final answer
    x = 27,543.39

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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.