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Finding the Fourth Proportional to 69,549.24, 95,976.72 and 39,333.54

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Solution

The fourth proportional to 69,549.24, 95,976.72 and 39,333.54 is: 54,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,549.24 : 95,976.72 = 39,333.54 : x
  2. Step 2: Convert to fraction form
    69,549.24/95,976.72 = 39,333.54/x
  3. Step 3: Cross multiply
    69,549.24x = 95,976.72 × 39,333.54
  4. Step 4: Simplify right side
    69,549.24x = 3,775,104,155.19
  5. Step 5: Solve for x
    x = 3,775,104,155.19/69,549.24
  6. Step 6: Final answer
    x = 54,279.59

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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.