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Finding the Fourth Proportional to 2,036.92, 2,810.95 and 1,105.42

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Solution

The fourth proportional to 2,036.92, 2,810.95 and 1,105.42 is: 1,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.92 : 2,810.95 = 1,105.42 : x
  2. Step 2: Convert to fraction form
    2,036.92/2,810.95 = 1,105.42/x
  3. Step 3: Cross multiply
    2,036.92x = 2,810.95 × 1,105.42
  4. Step 4: Simplify right side
    2,036.92x = 3,107,290.14
  5. Step 5: Solve for x
    x = 3,107,290.14/2,036.92
  6. Step 6: Final answer
    x = 1,525.48

Related Problems

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.