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Finding the Fourth Proportional to 5,751.12, 7,935.65 and 3,232.76

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Solution

The fourth proportional to 5,751.12, 7,935.65 and 3,232.76 is: 4,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.12 : 7,935.65 = 3,232.76 : x
  2. Step 2: Convert to fraction form
    5,751.12/7,935.65 = 3,232.76/x
  3. Step 3: Cross multiply
    5,751.12x = 7,935.65 × 3,232.76
  4. Step 4: Simplify right side
    5,751.12x = 25,654,059.98
  5. Step 5: Solve for x
    x = 25,654,059.98/5,751.12
  6. Step 6: Final answer
    x = 4,460.71

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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.