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Finding the Fourth Proportional to 6,610.92, 9,123.94 and 4,259.89

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Solution

The fourth proportional to 6,610.92, 9,123.94 and 4,259.89 is: 5,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.92 : 9,123.94 = 4,259.89 : x
  2. Step 2: Convert to fraction form
    6,610.92/9,123.94 = 4,259.89/x
  3. Step 3: Cross multiply
    6,610.92x = 9,123.94 × 4,259.89
  4. Step 4: Simplify right side
    6,610.92x = 38,866,980.77
  5. Step 5: Solve for x
    x = 38,866,980.77/6,610.92
  6. Step 6: Final answer
    x = 5,879.21

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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.