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Finding the Fourth Proportional to 6,959.93, 10,439.85 and 5,581.92

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Solution

The fourth proportional to 6,959.93, 10,439.85 and 5,581.92 is: 8,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.93 : 10,439.85 = 5,581.92 : x
  2. Step 2: Convert to fraction form
    6,959.93/10,439.85 = 5,581.92/x
  3. Step 3: Cross multiply
    6,959.93x = 10,439.85 × 5,581.92
  4. Step 4: Simplify right side
    6,959.93x = 58,274,407.51
  5. Step 5: Solve for x
    x = 58,274,407.51/6,959.93
  6. Step 6: Final answer
    x = 8,372.84

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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.