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Finding the Fourth Proportional to 40,291.90, 60,404.68 and 17,786.59

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Solution

The fourth proportional to 40,291.90, 60,404.68 and 17,786.59 is: 26,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.90 : 60,404.68 = 17,786.59 : x
  2. Step 2: Convert to fraction form
    40,291.90/60,404.68 = 17,786.59/x
  3. Step 3: Cross multiply
    40,291.90x = 60,404.68 × 17,786.59
  4. Step 4: Simplify right side
    40,291.90x = 1,074,393,277.24
  5. Step 5: Solve for x
    x = 1,074,393,277.24/40,291.90
  6. Step 6: Final answer
    x = 26,665.24

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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.