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Finding the Fourth Proportional to 4,992.75, 7,488.81 and 1,950.12

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Solution

The fourth proportional to 4,992.75, 7,488.81 and 1,950.12 is: 2,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.75 : 7,488.81 = 1,950.12 : x
  2. Step 2: Convert to fraction form
    4,992.75/7,488.81 = 1,950.12/x
  3. Step 3: Cross multiply
    4,992.75x = 7,488.81 × 1,950.12
  4. Step 4: Simplify right side
    4,992.75x = 14,604,078.16
  5. Step 5: Solve for x
    x = 14,604,078.16/4,992.75
  6. Step 6: Final answer
    x = 2,925.06

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Double scale
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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.