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Finding the Fourth Proportional to 62,390, 93,558.36 and 36,112.88

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Solution

The fourth proportional to 62,390, 93,558.36 and 36,112.88 is: 54,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,390 : 93,558.36 = 36,112.88 : x
  2. Step 2: Convert to fraction form
    62,390/93,558.36 = 36,112.88/x
  3. Step 3: Cross multiply
    62,390x = 93,558.36 × 36,112.88
  4. Step 4: Simplify right side
    62,390x = 3,378,661,827.68
  5. Step 5: Solve for x
    x = 3,378,661,827.68/62,390
  6. Step 6: Final answer
    x = 54,153.90

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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.