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Finding the Fourth Proportional to 41,406.40, 62,117.70 and 17,713.90

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Solution

The fourth proportional to 41,406.40, 62,117.70 and 17,713.90 is: 26,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,406.40 : 62,117.70 = 17,713.90 : x
  2. Step 2: Convert to fraction form
    41,406.40/62,117.70 = 17,713.90/x
  3. Step 3: Cross multiply
    41,406.40x = 62,117.70 × 17,713.90
  4. Step 4: Simplify right side
    41,406.40x = 1,100,346,726.03
  5. Step 5: Solve for x
    x = 1,100,346,726.03/41,406.40
  6. Step 6: Final answer
    x = 26,574.32

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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.