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Finding the Fourth Proportional to 3,017, 4,163.94 and 1,774.76

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Solution

The fourth proportional to 3,017, 4,163.94 and 1,774.76 is: 2,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017 : 4,163.94 = 1,774.76 : x
  2. Step 2: Convert to fraction form
    3,017/4,163.94 = 1,774.76/x
  3. Step 3: Cross multiply
    3,017x = 4,163.94 × 1,774.76
  4. Step 4: Simplify right side
    3,017x = 7,389,994.15
  5. Step 5: Solve for x
    x = 7,389,994.15/3,017
  6. Step 6: Final answer
    x = 2,449.45

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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.