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Finding the Fourth Proportional to 8,237.00, 12,360.23 and 8,170.13

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Solution

The fourth proportional to 8,237.00, 12,360.23 and 8,170.13 is: 12,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.00 : 12,360.23 = 8,170.13 : x
  2. Step 2: Convert to fraction form
    8,237.00/12,360.23 = 8,170.13/x
  3. Step 3: Cross multiply
    8,237.00x = 12,360.23 × 8,170.13
  4. Step 4: Simplify right side
    8,237.00x = 100,984,583.28
  5. Step 5: Solve for x
    x = 100,984,583.28/8,237.00
  6. Step 6: Final answer
    x = 12,259.88

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Double scale
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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.