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Finding the Fourth Proportional to 8,753.68, 13,141.98 and 5,202.31

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Solution

The fourth proportional to 8,753.68, 13,141.98 and 5,202.31 is: 7,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.68 : 13,141.98 = 5,202.31 : x
  2. Step 2: Convert to fraction form
    8,753.68/13,141.98 = 5,202.31/x
  3. Step 3: Cross multiply
    8,753.68x = 13,141.98 × 5,202.31
  4. Step 4: Simplify right side
    8,753.68x = 68,368,653.97
  5. Step 5: Solve for x
    x = 68,368,653.97/8,753.68
  6. Step 6: Final answer
    x = 7,810.28

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1.5x scale

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.