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Finding the Fourth Proportional to 41,252.90, 61,839.90 and 13,157.51

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Solution

The fourth proportional to 41,252.90, 61,839.90 and 13,157.51 is: 19,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,252.90 : 61,839.90 = 13,157.51 : x
  2. Step 2: Convert to fraction form
    41,252.90/61,839.90 = 13,157.51/x
  3. Step 3: Cross multiply
    41,252.90x = 61,839.90 × 13,157.51
  4. Step 4: Simplify right side
    41,252.90x = 813,658,793.45
  5. Step 5: Solve for x
    x = 813,658,793.45/41,252.90
  6. Step 6: Final answer
    x = 19,723.68

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1.5x scale

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.