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Finding the Fourth Proportional to 2,000.03, 2,760.16 and 1,103.76

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Solution

The fourth proportional to 2,000.03, 2,760.16 and 1,103.76 is: 1,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.03 : 2,760.16 = 1,103.76 : x
  2. Step 2: Convert to fraction form
    2,000.03/2,760.16 = 1,103.76/x
  3. Step 3: Cross multiply
    2,000.03x = 2,760.16 × 1,103.76
  4. Step 4: Simplify right side
    2,000.03x = 3,046,554.20
  5. Step 5: Solve for x
    x = 3,046,554.20/2,000.03
  6. Step 6: Final answer
    x = 1,523.25

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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.