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Finding the Fourth Proportional to 7,874.70, 11,809.29 and 2,326.57

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Solution

The fourth proportional to 7,874.70, 11,809.29 and 2,326.57 is: 3,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.70 : 11,809.29 = 2,326.57 : x
  2. Step 2: Convert to fraction form
    7,874.70/11,809.29 = 2,326.57/x
  3. Step 3: Cross multiply
    7,874.70x = 11,809.29 × 2,326.57
  4. Step 4: Simplify right side
    7,874.70x = 27,475,139.84
  5. Step 5: Solve for x
    x = 27,475,139.84/7,874.70
  6. Step 6: Final answer
    x = 3,489.04

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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.