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Finding the Fourth Proportional to 8,670.52, 13,034.78 and 6,843.66

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Solution

The fourth proportional to 8,670.52, 13,034.78 and 6,843.66 is: 10,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.52 : 13,034.78 = 6,843.66 : x
  2. Step 2: Convert to fraction form
    8,670.52/13,034.78 = 6,843.66/x
  3. Step 3: Cross multiply
    8,670.52x = 13,034.78 × 6,843.66
  4. Step 4: Simplify right side
    8,670.52x = 89,205,602.49
  5. Step 5: Solve for x
    x = 89,205,602.49/8,670.52
  6. Step 6: Final answer
    x = 10,288.38

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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.