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Finding the Fourth Proportional to 15,809.05, 23,713.98 and 7,487.11

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Solution

The fourth proportional to 15,809.05, 23,713.98 and 7,487.11 is: 11,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.05 : 23,713.98 = 7,487.11 : x
  2. Step 2: Convert to fraction form
    15,809.05/23,713.98 = 7,487.11/x
  3. Step 3: Cross multiply
    15,809.05x = 23,713.98 × 7,487.11
  4. Step 4: Simplify right side
    15,809.05x = 177,549,176.80
  5. Step 5: Solve for x
    x = 177,549,176.80/15,809.05
  6. Step 6: Final answer
    x = 11,230.86

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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.