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Finding the Fourth Proportional to 2,065.01, 3,097.51 and 766.17

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Solution

The fourth proportional to 2,065.01, 3,097.51 and 766.17 is: 1,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.01 : 3,097.51 = 766.17 : x
  2. Step 2: Convert to fraction form
    2,065.01/3,097.51 = 766.17/x
  3. Step 3: Cross multiply
    2,065.01x = 3,097.51 × 766.17
  4. Step 4: Simplify right side
    2,065.01x = 2,373,217.32
  5. Step 5: Solve for x
    x = 2,373,217.32/2,065.01
  6. Step 6: Final answer
    x = 1,149.26

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