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Finding the Fourth Proportional to 2,841.83, 4,263.57 and 993.08

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Solution

The fourth proportional to 2,841.83, 4,263.57 and 993.08 is: 1,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.83 : 4,263.57 = 993.08 : x
  2. Step 2: Convert to fraction form
    2,841.83/4,263.57 = 993.08/x
  3. Step 3: Cross multiply
    2,841.83x = 4,263.57 × 993.08
  4. Step 4: Simplify right side
    2,841.83x = 4,234,044.78
  5. Step 5: Solve for x
    x = 4,234,044.78/2,841.83
  6. Step 6: Final answer
    x = 1,489.90

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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.