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Finding the Fourth Proportional to 17,888.61, 24,669.03 and 11,508.66

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Solution

The fourth proportional to 17,888.61, 24,669.03 and 11,508.66 is: 15,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.61 : 24,669.03 = 11,508.66 : x
  2. Step 2: Convert to fraction form
    17,888.61/24,669.03 = 11,508.66/x
  3. Step 3: Cross multiply
    17,888.61x = 24,669.03 × 11,508.66
  4. Step 4: Simplify right side
    17,888.61x = 283,907,478.80
  5. Step 5: Solve for x
    x = 283,907,478.80/17,888.61
  6. Step 6: Final answer
    x = 15,870.85

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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.