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Finding the Fourth Proportional to 6,507.10, 8,979.79 and 3,522.94

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Solution

The fourth proportional to 6,507.10, 8,979.79 and 3,522.94 is: 4,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.10 : 8,979.79 = 3,522.94 : x
  2. Step 2: Convert to fraction form
    6,507.10/8,979.79 = 3,522.94/x
  3. Step 3: Cross multiply
    6,507.10x = 8,979.79 × 3,522.94
  4. Step 4: Simplify right side
    6,507.10x = 31,635,243.34
  5. Step 5: Solve for x
    x = 31,635,243.34/6,507.10
  6. Step 6: Final answer
    x = 4,861.65

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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.