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Finding the Fourth Proportional to 39,401.26, 59,101.90 and 11,699.26

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Solution

The fourth proportional to 39,401.26, 59,101.90 and 11,699.26 is: 17,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.26 : 59,101.90 = 11,699.26 : x
  2. Step 2: Convert to fraction form
    39,401.26/59,101.90 = 11,699.26/x
  3. Step 3: Cross multiply
    39,401.26x = 59,101.90 × 11,699.26
  4. Step 4: Simplify right side
    39,401.26x = 691,448,494.59
  5. Step 5: Solve for x
    x = 691,448,494.59/39,401.26
  6. Step 6: Final answer
    x = 17,548.89

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Similar ratio
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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.