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Finding the Fourth Proportional to 5,760.64, 7,950.05 and 3,242.98

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Solution

The fourth proportional to 5,760.64, 7,950.05 and 3,242.98 is: 4,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.64 : 7,950.05 = 3,242.98 : x
  2. Step 2: Convert to fraction form
    5,760.64/7,950.05 = 3,242.98/x
  3. Step 3: Cross multiply
    5,760.64x = 7,950.05 × 3,242.98
  4. Step 4: Simplify right side
    5,760.64x = 25,781,853.15
  5. Step 5: Solve for x
    x = 25,781,853.15/5,760.64
  6. Step 6: Final answer
    x = 4,475.52

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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.