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Finding the Fourth Proportional to 15,855.73, 23,756.13 and 8,348.18

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Solution

The fourth proportional to 15,855.73, 23,756.13 and 8,348.18 is: 12,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.73 : 23,756.13 = 8,348.18 : x
  2. Step 2: Convert to fraction form
    15,855.73/23,756.13 = 8,348.18/x
  3. Step 3: Cross multiply
    15,855.73x = 23,756.13 × 8,348.18
  4. Step 4: Simplify right side
    15,855.73x = 198,320,330.56
  5. Step 5: Solve for x
    x = 198,320,330.56/15,855.73
  6. Step 6: Final answer
    x = 12,507.80

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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.