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Finding the Fourth Proportional to 1,827.01, 2,741.83 and 731.68

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Solution

The fourth proportional to 1,827.01, 2,741.83 and 731.68 is: 1,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.01 : 2,741.83 = 731.68 : x
  2. Step 2: Convert to fraction form
    1,827.01/2,741.83 = 731.68/x
  3. Step 3: Cross multiply
    1,827.01x = 2,741.83 × 731.68
  4. Step 4: Simplify right side
    1,827.01x = 2,006,142.17
  5. Step 5: Solve for x
    x = 2,006,142.17/1,827.01
  6. Step 6: Final answer
    x = 1,098.05

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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.