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Finding the Fourth Proportional to 62,327.70, 93,491.55 and 54,551.70

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Solution

The fourth proportional to 62,327.70, 93,491.55 and 54,551.70 is: 81,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,327.70 : 93,491.55 = 54,551.70 : x
  2. Step 2: Convert to fraction form
    62,327.70/93,491.55 = 54,551.70/x
  3. Step 3: Cross multiply
    62,327.70x = 93,491.55 × 54,551.70
  4. Step 4: Simplify right side
    62,327.70x = 5,100,122,988.14
  5. Step 5: Solve for x
    x = 5,100,122,988.14/62,327.70
  6. Step 6: Final answer
    x = 81,827.55

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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.