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Finding the Fourth Proportional to 17,888.56, 24,681.21 and 11,180.98

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Solution

The fourth proportional to 17,888.56, 24,681.21 and 11,180.98 is: 15,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.56 : 24,681.21 = 11,180.98 : x
  2. Step 2: Convert to fraction form
    17,888.56/24,681.21 = 11,180.98/x
  3. Step 3: Cross multiply
    17,888.56x = 24,681.21 × 11,180.98
  4. Step 4: Simplify right side
    17,888.56x = 275,960,115.39
  5. Step 5: Solve for x
    x = 275,960,115.39/17,888.56
  6. Step 6: Final answer
    x = 15,426.63

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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.