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Finding the Fourth Proportional to 7,253.88, 9,994.92 and 4,891.92

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Solution

The fourth proportional to 7,253.88, 9,994.92 and 4,891.92 is: 6,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.88 : 9,994.92 = 4,891.92 : x
  2. Step 2: Convert to fraction form
    7,253.88/9,994.92 = 4,891.92/x
  3. Step 3: Cross multiply
    7,253.88x = 9,994.92 × 4,891.92
  4. Step 4: Simplify right side
    7,253.88x = 48,894,349.05
  5. Step 5: Solve for x
    x = 48,894,349.05/7,253.88
  6. Step 6: Final answer
    x = 6,740.44

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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.