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Finding the Fourth Proportional to 62,164.64, 93,246.87 and 28,866.50

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Solution

The fourth proportional to 62,164.64, 93,246.87 and 28,866.50 is: 43,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,164.64 : 93,246.87 = 28,866.50 : x
  2. Step 2: Convert to fraction form
    62,164.64/93,246.87 = 28,866.50/x
  3. Step 3: Cross multiply
    62,164.64x = 93,246.87 × 28,866.50
  4. Step 4: Simplify right side
    62,164.64x = 2,691,710,306.62
  5. Step 5: Solve for x
    x = 2,691,710,306.62/62,164.64
  6. Step 6: Final answer
    x = 43,299.70

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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.