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Finding the Fourth Proportional to 7,763.52, 11,630.02 and 5,122.97

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Solution

The fourth proportional to 7,763.52, 11,630.02 and 5,122.97 is: 7,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.52 : 11,630.02 = 5,122.97 : x
  2. Step 2: Convert to fraction form
    7,763.52/11,630.02 = 5,122.97/x
  3. Step 3: Cross multiply
    7,763.52x = 11,630.02 × 5,122.97
  4. Step 4: Simplify right side
    7,763.52x = 59,580,243.56
  5. Step 5: Solve for x
    x = 59,580,243.56/7,763.52
  6. Step 6: Final answer
    x = 7,674.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.