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Finding the Fourth Proportional to 7,250.71, 10,874.29 and 2,319.32

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Solution

The fourth proportional to 7,250.71, 10,874.29 and 2,319.32 is: 3,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.71 : 10,874.29 = 2,319.32 : x
  2. Step 2: Convert to fraction form
    7,250.71/10,874.29 = 2,319.32/x
  3. Step 3: Cross multiply
    7,250.71x = 10,874.29 × 2,319.32
  4. Step 4: Simplify right side
    7,250.71x = 25,220,979.67
  5. Step 5: Solve for x
    x = 25,220,979.67/7,250.71
  6. Step 6: Final answer
    x = 3,478.42

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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.