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Finding the Fourth Proportional to 7,197.71, 9,932.76 and 4,010.90

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Solution

The fourth proportional to 7,197.71, 9,932.76 and 4,010.90 is: 5,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.71 : 9,932.76 = 4,010.90 : x
  2. Step 2: Convert to fraction form
    7,197.71/9,932.76 = 4,010.90/x
  3. Step 3: Cross multiply
    7,197.71x = 9,932.76 × 4,010.90
  4. Step 4: Simplify right side
    7,197.71x = 39,839,257.42
  5. Step 5: Solve for x
    x = 39,839,257.42/7,197.71
  6. Step 6: Final answer
    x = 5,534.99

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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.