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Finding the Fourth Proportional to 24,991.80, 34,488.82 and 13,661.32

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Solution

The fourth proportional to 24,991.80, 34,488.82 and 13,661.32 is: 18,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,991.80 : 34,488.82 = 13,661.32 : x
  2. Step 2: Convert to fraction form
    24,991.80/34,488.82 = 13,661.32/x
  3. Step 3: Cross multiply
    24,991.80x = 34,488.82 × 13,661.32
  4. Step 4: Simplify right side
    24,991.80x = 471,162,806.44
  5. Step 5: Solve for x
    x = 471,162,806.44/24,991.80
  6. Step 6: Final answer
    x = 18,852.70

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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.