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Finding the Fourth Proportional to 15,707.89, 23,549.04 and 8,687.62

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Solution

The fourth proportional to 15,707.89, 23,549.04 and 8,687.62 is: 13,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.89 : 23,549.04 = 8,687.62 : x
  2. Step 2: Convert to fraction form
    15,707.89/23,549.04 = 8,687.62/x
  3. Step 3: Cross multiply
    15,707.89x = 23,549.04 × 8,687.62
  4. Step 4: Simplify right side
    15,707.89x = 204,585,110.88
  5. Step 5: Solve for x
    x = 204,585,110.88/15,707.89
  6. Step 6: Final answer
    x = 13,024.35

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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.