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Finding the Fourth Proportional to 32,868,401.76, 49,319,797.68 and 13,452,040.80

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Solution

The fourth proportional to 32,868,401.76, 49,319,797.68 and 13,452,040.80 is: 20,185,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868,401.76 : 49,319,797.68 = 13,452,040.80 : x
  2. Step 2: Convert to fraction form
    32,868,401.76/49,319,797.68 = 13,452,040.80/x
  3. Step 3: Cross multiply
    32,868,401.76x = 49,319,797.68 × 13,452,040.80
  4. Step 4: Simplify right side
    32,868,401.76x = 663,451,930,639,105.38
  5. Step 5: Solve for x
    x = 663,451,930,639,105.38/32,868,401.76
  6. Step 6: Final answer
    x = 20,185,098.61

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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.