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Finding the Fourth Proportional to 7,197.62, 9,932.37 and 4,054.82

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Solution

The fourth proportional to 7,197.62, 9,932.37 and 4,054.82 is: 5,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.62 : 9,932.37 = 4,054.82 : x
  2. Step 2: Convert to fraction form
    7,197.62/9,932.37 = 4,054.82/x
  3. Step 3: Cross multiply
    7,197.62x = 9,932.37 × 4,054.82
  4. Step 4: Simplify right side
    7,197.62x = 40,273,972.52
  5. Step 5: Solve for x
    x = 40,273,972.52/7,197.62
  6. Step 6: Final answer
    x = 5,595.46

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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.