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Finding the Fourth Proportional to 6,555.93, 9,042.54 and 6,338.97

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Solution

The fourth proportional to 6,555.93, 9,042.54 and 6,338.97 is: 8,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.93 : 9,042.54 = 6,338.97 : x
  2. Step 2: Convert to fraction form
    6,555.93/9,042.54 = 6,338.97/x
  3. Step 3: Cross multiply
    6,555.93x = 9,042.54 × 6,338.97
  4. Step 4: Simplify right side
    6,555.93x = 57,320,389.78
  5. Step 5: Solve for x
    x = 57,320,389.78/6,555.93
  6. Step 6: Final answer
    x = 8,743.29

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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.