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Finding the Fourth Proportional to 1,747.21, 2,620.00 and 1,016.99

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Solution

The fourth proportional to 1,747.21, 2,620.00 and 1,016.99 is: 1,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.21 : 2,620.00 = 1,016.99 : x
  2. Step 2: Convert to fraction form
    1,747.21/2,620.00 = 1,016.99/x
  3. Step 3: Cross multiply
    1,747.21x = 2,620.00 × 1,016.99
  4. Step 4: Simplify right side
    1,747.21x = 2,664,508.72
  5. Step 5: Solve for x
    x = 2,664,508.72/1,747.21
  6. Step 6: Final answer
    x = 1,525.01

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Double scale
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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.