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Finding the Fourth Proportional to 9,992.74, 14,996.62 and 3,758.90

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Solution

The fourth proportional to 9,992.74, 14,996.62 and 3,758.90 is: 5,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.74 : 14,996.62 = 3,758.90 : x
  2. Step 2: Convert to fraction form
    9,992.74/14,996.62 = 3,758.90/x
  3. Step 3: Cross multiply
    9,992.74x = 14,996.62 × 3,758.90
  4. Step 4: Simplify right side
    9,992.74x = 56,370,794.92
  5. Step 5: Solve for x
    x = 56,370,794.92/9,992.74
  6. Step 6: Final answer
    x = 5,641.17

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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.