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Finding the Fourth Proportional to 7,197.67, 9,933.15 and 4,053.79

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Solution

The fourth proportional to 7,197.67, 9,933.15 and 4,053.79 is: 5,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.67 : 9,933.15 = 4,053.79 : x
  2. Step 2: Convert to fraction form
    7,197.67/9,933.15 = 4,053.79/x
  3. Step 3: Cross multiply
    7,197.67x = 9,933.15 × 4,053.79
  4. Step 4: Simplify right side
    7,197.67x = 40,266,904.14
  5. Step 5: Solve for x
    x = 40,266,904.14/7,197.67
  6. Step 6: Final answer
    x = 5,594.44

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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.