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Finding the Fourth Proportional to 15,687.99, 23,534.03 and 8,292.73

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Solution

The fourth proportional to 15,687.99, 23,534.03 and 8,292.73 is: 12,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.99 : 23,534.03 = 8,292.73 : x
  2. Step 2: Convert to fraction form
    15,687.99/23,534.03 = 8,292.73/x
  3. Step 3: Cross multiply
    15,687.99x = 23,534.03 × 8,292.73
  4. Step 4: Simplify right side
    15,687.99x = 195,161,356.60
  5. Step 5: Solve for x
    x = 195,161,356.60/15,687.99
  6. Step 6: Final answer
    x = 12,440.18

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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.