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Finding the Fourth Proportional to 5,945.60, 8,205.60 and 3,293.72

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Solution

The fourth proportional to 5,945.60, 8,205.60 and 3,293.72 is: 4,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.60 : 8,205.60 = 3,293.72 : x
  2. Step 2: Convert to fraction form
    5,945.60/8,205.60 = 3,293.72/x
  3. Step 3: Cross multiply
    5,945.60x = 8,205.60 × 3,293.72
  4. Step 4: Simplify right side
    5,945.60x = 27,026,948.83
  5. Step 5: Solve for x
    x = 27,026,948.83/5,945.60
  6. Step 6: Final answer
    x = 4,545.71

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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.