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Finding the Fourth Proportional to 9,044.55, 13,550.42 and 6,678.49

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Solution

The fourth proportional to 9,044.55, 13,550.42 and 6,678.49 is: 10,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.55 : 13,550.42 = 6,678.49 : x
  2. Step 2: Convert to fraction form
    9,044.55/13,550.42 = 6,678.49/x
  3. Step 3: Cross multiply
    9,044.55x = 13,550.42 × 6,678.49
  4. Step 4: Simplify right side
    9,044.55x = 90,496,243.32
  5. Step 5: Solve for x
    x = 90,496,243.32/9,044.55
  6. Step 6: Final answer
    x = 10,005.62

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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.