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Finding the Fourth Proportional to 6,233.28, 9,342.72 and 2,947.20

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Solution

The fourth proportional to 6,233.28, 9,342.72 and 2,947.20 is: 4,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,233.28 : 9,342.72 = 2,947.20 : x
  2. Step 2: Convert to fraction form
    6,233.28/9,342.72 = 2,947.20/x
  3. Step 3: Cross multiply
    6,233.28x = 9,342.72 × 2,947.20
  4. Step 4: Simplify right side
    6,233.28x = 27,534,864.38
  5. Step 5: Solve for x
    x = 27,534,864.38/6,233.28
  6. Step 6: Final answer
    x = 4,417.40

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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.