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Finding the Fourth Proportional to 41,452.90, 62,188.89 and 11,870.98

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Solution

The fourth proportional to 41,452.90, 62,188.89 and 11,870.98 is: 17,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,452.90 : 62,188.89 = 11,870.98 : x
  2. Step 2: Convert to fraction form
    41,452.90/62,188.89 = 11,870.98/x
  3. Step 3: Cross multiply
    41,452.90x = 62,188.89 × 11,870.98
  4. Step 4: Simplify right side
    41,452.90x = 738,243,069.41
  5. Step 5: Solve for x
    x = 738,243,069.41/41,452.90
  6. Step 6: Final answer
    x = 17,809.20

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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.