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Finding the Fourth Proportional to 66,050.92, 98,828.07 and 39,298.42

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Solution

The fourth proportional to 66,050.92, 98,828.07 and 39,298.42 is: 58,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.92 : 98,828.07 = 39,298.42 : x
  2. Step 2: Convert to fraction form
    66,050.92/98,828.07 = 39,298.42/x
  3. Step 3: Cross multiply
    66,050.92x = 98,828.07 × 39,298.42
  4. Step 4: Simplify right side
    66,050.92x = 3,883,787,002.65
  5. Step 5: Solve for x
    x = 3,883,787,002.65/66,050.92
  6. Step 6: Final answer
    x = 58,799.89

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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.