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Finding the Fourth Proportional to 6,348.38, 8,760.76 and 3,553.88

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Solution

The fourth proportional to 6,348.38, 8,760.76 and 3,553.88 is: 4,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.38 : 8,760.76 = 3,553.88 : x
  2. Step 2: Convert to fraction form
    6,348.38/8,760.76 = 3,553.88/x
  3. Step 3: Cross multiply
    6,348.38x = 8,760.76 × 3,553.88
  4. Step 4: Simplify right side
    6,348.38x = 31,134,637.06
  5. Step 5: Solve for x
    x = 31,134,637.06/6,348.38
  6. Step 6: Final answer
    x = 4,904.35

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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.