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Finding the Fourth Proportional to 6,610.29, 9,123.58 and 6,078.33

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Solution

The fourth proportional to 6,610.29, 9,123.58 and 6,078.33 is: 8,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.29 : 9,123.58 = 6,078.33 : x
  2. Step 2: Convert to fraction form
    6,610.29/9,123.58 = 6,078.33/x
  3. Step 3: Cross multiply
    6,610.29x = 9,123.58 × 6,078.33
  4. Step 4: Simplify right side
    6,610.29x = 55,456,146.18
  5. Step 5: Solve for x
    x = 55,456,146.18/6,610.29
  6. Step 6: Final answer
    x = 8,389.36

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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.