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Finding the Fourth Proportional to 15,808.80, 23,713.61 and 7,486.86

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Solution

The fourth proportional to 15,808.80, 23,713.61 and 7,486.86 is: 11,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.80 : 23,713.61 = 7,486.86 : x
  2. Step 2: Convert to fraction form
    15,808.80/23,713.61 = 7,486.86/x
  3. Step 3: Cross multiply
    15,808.80x = 23,713.61 × 7,486.86
  4. Step 4: Simplify right side
    15,808.80x = 177,540,440.73
  5. Step 5: Solve for x
    x = 177,540,440.73/15,808.80
  6. Step 6: Final answer
    x = 11,230.48

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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.