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Finding the Fourth Proportional to 7,752.72, 10,692.96 and 5,959.92

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Solution

The fourth proportional to 7,752.72, 10,692.96 and 5,959.92 is: 8,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.72 : 10,692.96 = 5,959.92 : x
  2. Step 2: Convert to fraction form
    7,752.72/10,692.96 = 5,959.92/x
  3. Step 3: Cross multiply
    7,752.72x = 10,692.96 × 5,959.92
  4. Step 4: Simplify right side
    7,752.72x = 63,729,186.16
  5. Step 5: Solve for x
    x = 63,729,186.16/7,752.72
  6. Step 6: Final answer
    x = 8,220.24

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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.