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Finding the Fourth Proportional to 4,362.24, 6,006.78 and 3,945.48

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Solution

The fourth proportional to 4,362.24, 6,006.78 and 3,945.48 is: 5,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.24 : 6,006.78 = 3,945.48 : x
  2. Step 2: Convert to fraction form
    4,362.24/6,006.78 = 3,945.48/x
  3. Step 3: Cross multiply
    4,362.24x = 6,006.78 × 3,945.48
  4. Step 4: Simplify right side
    4,362.24x = 23,699,630.35
  5. Step 5: Solve for x
    x = 23,699,630.35/4,362.24
  6. Step 6: Final answer
    x = 5,432.90

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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.