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Finding the Fourth Proportional to 6,301.61, 9,452.42 and 1,919.10

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Solution

The fourth proportional to 6,301.61, 9,452.42 and 1,919.10 is: 2,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.61 : 9,452.42 = 1,919.10 : x
  2. Step 2: Convert to fraction form
    6,301.61/9,452.42 = 1,919.10/x
  3. Step 3: Cross multiply
    6,301.61x = 9,452.42 × 1,919.10
  4. Step 4: Simplify right side
    6,301.61x = 18,140,139.22
  5. Step 5: Solve for x
    x = 18,140,139.22/6,301.61
  6. Step 6: Final answer
    x = 2,878.65

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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.