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Finding the Fourth Proportional to 17,888.06, 26,839.71 and 8,998.71

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Solution

The fourth proportional to 17,888.06, 26,839.71 and 8,998.71 is: 13,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.06 : 26,839.71 = 8,998.71 : x
  2. Step 2: Convert to fraction form
    17,888.06/26,839.71 = 8,998.71/x
  3. Step 3: Cross multiply
    17,888.06x = 26,839.71 × 8,998.71
  4. Step 4: Simplify right side
    17,888.06x = 241,522,766.77
  5. Step 5: Solve for x
    x = 241,522,766.77/17,888.06
  6. Step 6: Final answer
    x = 13,501.90

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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.