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Finding the Fourth Proportional to 5,256.61, 7,253.61 and 3,239.71

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Solution

The fourth proportional to 5,256.61, 7,253.61 and 3,239.71 is: 4,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.61 : 7,253.61 = 3,239.71 : x
  2. Step 2: Convert to fraction form
    5,256.61/7,253.61 = 3,239.71/x
  3. Step 3: Cross multiply
    5,256.61x = 7,253.61 × 3,239.71
  4. Step 4: Simplify right side
    5,256.61x = 23,499,592.85
  5. Step 5: Solve for x
    x = 23,499,592.85/5,256.61
  6. Step 6: Final answer
    x = 4,470.48

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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.