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Finding the Fourth Proportional to 7,193.39, 9,926.85 and 4,049.63

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Solution

The fourth proportional to 7,193.39, 9,926.85 and 4,049.63 is: 5,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.39 : 9,926.85 = 4,049.63 : x
  2. Step 2: Convert to fraction form
    7,193.39/9,926.85 = 4,049.63/x
  3. Step 3: Cross multiply
    7,193.39x = 9,926.85 × 4,049.63
  4. Step 4: Simplify right side
    7,193.39x = 40,200,069.57
  5. Step 5: Solve for x
    x = 40,200,069.57/7,193.39
  6. Step 6: Final answer
    x = 5,588.47

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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.