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Finding the Fourth Proportional to 8,340.70, 12,507.36 and 2,496.22

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Solution

The fourth proportional to 8,340.70, 12,507.36 and 2,496.22 is: 3,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.70 : 12,507.36 = 2,496.22 : x
  2. Step 2: Convert to fraction form
    8,340.70/12,507.36 = 2,496.22/x
  3. Step 3: Cross multiply
    8,340.70x = 12,507.36 × 2,496.22
  4. Step 4: Simplify right side
    8,340.70x = 31,221,122.18
  5. Step 5: Solve for x
    x = 31,221,122.18/8,340.70
  6. Step 6: Final answer
    x = 3,743.23

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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.