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Finding the Fourth Proportional to 8,550.99, 11,799.59 and 5,013.54

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Solution

The fourth proportional to 8,550.99, 11,799.59 and 5,013.54 is: 6,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.99 : 11,799.59 = 5,013.54 : x
  2. Step 2: Convert to fraction form
    8,550.99/11,799.59 = 5,013.54/x
  3. Step 3: Cross multiply
    8,550.99x = 11,799.59 × 5,013.54
  4. Step 4: Simplify right side
    8,550.99x = 59,157,691.38
  5. Step 5: Solve for x
    x = 59,157,691.38/8,550.99
  6. Step 6: Final answer
    x = 6,918.23

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Double scale
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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.