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Finding the Fourth Proportional to 35,275.01, 52,912.80 and 8,979.75

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Solution

The fourth proportional to 35,275.01, 52,912.80 and 8,979.75 is: 13,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,275.01 : 52,912.80 = 8,979.75 : x
  2. Step 2: Convert to fraction form
    35,275.01/52,912.80 = 8,979.75/x
  3. Step 3: Cross multiply
    35,275.01x = 52,912.80 × 8,979.75
  4. Step 4: Simplify right side
    35,275.01x = 475,143,715.80
  5. Step 5: Solve for x
    x = 475,143,715.80/35,275.01
  6. Step 6: Final answer
    x = 13,469.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.