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Finding the Fourth Proportional to 7,309.75, 10,959.15 and 2,376.45

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Solution

The fourth proportional to 7,309.75, 10,959.15 and 2,376.45 is: 3,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.75 : 10,959.15 = 2,376.45 : x
  2. Step 2: Convert to fraction form
    7,309.75/10,959.15 = 2,376.45/x
  3. Step 3: Cross multiply
    7,309.75x = 10,959.15 × 2,376.45
  4. Step 4: Simplify right side
    7,309.75x = 26,043,872.02
  5. Step 5: Solve for x
    x = 26,043,872.02/7,309.75
  6. Step 6: Final answer
    x = 3,562.90

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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.