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Finding the Fourth Proportional to 7,292.36, 10,944.12 and 5,644.82

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Solution

The fourth proportional to 7,292.36, 10,944.12 and 5,644.82 is: 8,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.36 : 10,944.12 = 5,644.82 : x
  2. Step 2: Convert to fraction form
    7,292.36/10,944.12 = 5,644.82/x
  3. Step 3: Cross multiply
    7,292.36x = 10,944.12 × 5,644.82
  4. Step 4: Simplify right side
    7,292.36x = 61,777,532.74
  5. Step 5: Solve for x
    x = 61,777,532.74/7,292.36
  6. Step 6: Final answer
    x = 8,471.55

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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.