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Finding the Fourth Proportional to 6,343.59, 8,754.18 and 3,549.09

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Solution

The fourth proportional to 6,343.59, 8,754.18 and 3,549.09 is: 4,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.59 : 8,754.18 = 3,549.09 : x
  2. Step 2: Convert to fraction form
    6,343.59/8,754.18 = 3,549.09/x
  3. Step 3: Cross multiply
    6,343.59x = 8,754.18 × 3,549.09
  4. Step 4: Simplify right side
    6,343.59x = 31,069,372.70
  5. Step 5: Solve for x
    x = 31,069,372.70/6,343.59
  6. Step 6: Final answer
    x = 4,897.76

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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.