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Finding the Fourth Proportional to 4,992.62, 7,488.93 and 1,294.77

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Solution

The fourth proportional to 4,992.62, 7,488.93 and 1,294.77 is: 1,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.62 : 7,488.93 = 1,294.77 : x
  2. Step 2: Convert to fraction form
    4,992.62/7,488.93 = 1,294.77/x
  3. Step 3: Cross multiply
    4,992.62x = 7,488.93 × 1,294.77
  4. Step 4: Simplify right side
    4,992.62x = 9,696,425.43
  5. Step 5: Solve for x
    x = 9,696,425.43/4,992.62
  6. Step 6: Final answer
    x = 1,942.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.