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Finding the Fourth Proportional to 8,844.86, 12,202.88 and 5,486.47

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Solution

The fourth proportional to 8,844.86, 12,202.88 and 5,486.47 is: 7,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.86 : 12,202.88 = 5,486.47 : x
  2. Step 2: Convert to fraction form
    8,844.86/12,202.88 = 5,486.47/x
  3. Step 3: Cross multiply
    8,844.86x = 12,202.88 × 5,486.47
  4. Step 4: Simplify right side
    8,844.86x = 66,950,677.09
  5. Step 5: Solve for x
    x = 66,950,677.09/8,844.86
  6. Step 6: Final answer
    x = 7,569.44

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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.