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Finding the Fourth Proportional to 23,987.68, 33,103.68 and 13,377.99

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Solution

The fourth proportional to 23,987.68, 33,103.68 and 13,377.99 is: 18,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.68 : 33,103.68 = 13,377.99 : x
  2. Step 2: Convert to fraction form
    23,987.68/33,103.68 = 13,377.99/x
  3. Step 3: Cross multiply
    23,987.68x = 33,103.68 × 13,377.99
  4. Step 4: Simplify right side
    23,987.68x = 442,860,773.97
  5. Step 5: Solve for x
    x = 442,860,773.97/23,987.68
  6. Step 6: Final answer
    x = 18,462.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.