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Finding the Fourth Proportional to 6,841.84, 10,243.08 and 6,129.52

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Solution

The fourth proportional to 6,841.84, 10,243.08 and 6,129.52 is: 9,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.84 : 10,243.08 = 6,129.52 : x
  2. Step 2: Convert to fraction form
    6,841.84/10,243.08 = 6,129.52/x
  3. Step 3: Cross multiply
    6,841.84x = 10,243.08 × 6,129.52
  4. Step 4: Simplify right side
    6,841.84x = 62,785,163.72
  5. Step 5: Solve for x
    x = 62,785,163.72/6,841.84
  6. Step 6: Final answer
    x = 9,176.65

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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.