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Finding the Fourth Proportional to 40,747.74, 61,026.84 and 39,626.64

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Solution

The fourth proportional to 40,747.74, 61,026.84 and 39,626.64 is: 59,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747.74 : 61,026.84 = 39,626.64 : x
  2. Step 2: Convert to fraction form
    40,747.74/61,026.84 = 39,626.64/x
  3. Step 3: Cross multiply
    40,747.74x = 61,026.84 × 39,626.64
  4. Step 4: Simplify right side
    40,747.74x = 2,418,288,619.02
  5. Step 5: Solve for x
    x = 2,418,288,619.02/40,747.74
  6. Step 6: Final answer
    x = 59,347.80

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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.