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Finding the Fourth Proportional to 1,227.89, 1,841.83 and 1,011.01

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Solution

The fourth proportional to 1,227.89, 1,841.83 and 1,011.01 is: 1,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.89 : 1,841.83 = 1,011.01 : x
  2. Step 2: Convert to fraction form
    1,227.89/1,841.83 = 1,011.01/x
  3. Step 3: Cross multiply
    1,227.89x = 1,841.83 × 1,011.01
  4. Step 4: Simplify right side
    1,227.89x = 1,862,106.25
  5. Step 5: Solve for x
    x = 1,862,106.25/1,227.89
  6. Step 6: Final answer
    x = 1,516.51

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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.