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Finding the Fourth Proportional to 2,841.58, 4,262.25 and 992.79

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Solution

The fourth proportional to 2,841.58, 4,262.25 and 992.79 is: 1,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.58 : 4,262.25 = 992.79 : x
  2. Step 2: Convert to fraction form
    2,841.58/4,262.25 = 992.79/x
  3. Step 3: Cross multiply
    2,841.58x = 4,262.25 × 992.79
  4. Step 4: Simplify right side
    2,841.58x = 4,231,522.90
  5. Step 5: Solve for x
    x = 4,231,522.90/2,841.58
  6. Step 6: Final answer
    x = 1,489.14

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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.