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Finding the Fourth Proportional to 8,062.52, 11,126.79 and 5,369.13

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Solution

The fourth proportional to 8,062.52, 11,126.79 and 5,369.13 is: 7,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.52 : 11,126.79 = 5,369.13 : x
  2. Step 2: Convert to fraction form
    8,062.52/11,126.79 = 5,369.13/x
  3. Step 3: Cross multiply
    8,062.52x = 11,126.79 × 5,369.13
  4. Step 4: Simplify right side
    8,062.52x = 59,741,181.99
  5. Step 5: Solve for x
    x = 59,741,181.99/8,062.52
  6. Step 6: Final answer
    x = 7,409.75

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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.