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Finding the Fourth Proportional to 6,126.95, 9,190.49 and 1,966.97

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Solution

The fourth proportional to 6,126.95, 9,190.49 and 1,966.97 is: 2,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.95 : 9,190.49 = 1,966.97 : x
  2. Step 2: Convert to fraction form
    6,126.95/9,190.49 = 1,966.97/x
  3. Step 3: Cross multiply
    6,126.95x = 9,190.49 × 1,966.97
  4. Step 4: Simplify right side
    6,126.95x = 18,077,431.26
  5. Step 5: Solve for x
    x = 18,077,431.26/6,126.95
  6. Step 6: Final answer
    x = 2,950.48

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