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Finding the Fourth Proportional to 2,000.97, 2,761.22 and 1,116.77

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Solution

The fourth proportional to 2,000.97, 2,761.22 and 1,116.77 is: 1,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.97 : 2,761.22 = 1,116.77 : x
  2. Step 2: Convert to fraction form
    2,000.97/2,761.22 = 1,116.77/x
  3. Step 3: Cross multiply
    2,000.97x = 2,761.22 × 1,116.77
  4. Step 4: Simplify right side
    2,000.97x = 3,083,636.65
  5. Step 5: Solve for x
    x = 3,083,636.65/2,000.97
  6. Step 6: Final answer
    x = 1,541.07

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.