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Finding the Fourth Proportional to 6,507.17, 8,979.89 and 3,523.03

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Solution

The fourth proportional to 6,507.17, 8,979.89 and 3,523.03 is: 4,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.17 : 8,979.89 = 3,523.03 : x
  2. Step 2: Convert to fraction form
    6,507.17/8,979.89 = 3,523.03/x
  3. Step 3: Cross multiply
    6,507.17x = 8,979.89 × 3,523.03
  4. Step 4: Simplify right side
    6,507.17x = 31,636,421.87
  5. Step 5: Solve for x
    x = 31,636,421.87/6,507.17
  6. Step 6: Final answer
    x = 4,861.78

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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.