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Finding the Fourth Proportional to 1,881.38, 2,596.31 and 1,053.38

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Solution

The fourth proportional to 1,881.38, 2,596.31 and 1,053.38 is: 1,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.38 : 2,596.31 = 1,053.38 : x
  2. Step 2: Convert to fraction form
    1,881.38/2,596.31 = 1,053.38/x
  3. Step 3: Cross multiply
    1,881.38x = 2,596.31 × 1,053.38
  4. Step 4: Simplify right side
    1,881.38x = 2,734,882.78
  5. Step 5: Solve for x
    x = 2,734,882.78/1,881.38
  6. Step 6: Final answer
    x = 1,453.66

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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.