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Finding the Fourth Proportional to 6,305.92, 8,703.12 and 3,655.12

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Solution

The fourth proportional to 6,305.92, 8,703.12 and 3,655.12 is: 5,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.92 : 8,703.12 = 3,655.12 : x
  2. Step 2: Convert to fraction form
    6,305.92/8,703.12 = 3,655.12/x
  3. Step 3: Cross multiply
    6,305.92x = 8,703.12 × 3,655.12
  4. Step 4: Simplify right side
    6,305.92x = 31,810,947.97
  5. Step 5: Solve for x
    x = 31,810,947.97/6,305.92
  6. Step 6: Final answer
    x = 5,044.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.