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Finding the Fourth Proportional to 3,064.95, 4,229.65 and 1,667.71

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Solution

The fourth proportional to 3,064.95, 4,229.65 and 1,667.71 is: 2,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.95 : 4,229.65 = 1,667.71 : x
  2. Step 2: Convert to fraction form
    3,064.95/4,229.65 = 1,667.71/x
  3. Step 3: Cross multiply
    3,064.95x = 4,229.65 × 1,667.71
  4. Step 4: Simplify right side
    3,064.95x = 7,053,800.11
  5. Step 5: Solve for x
    x = 7,053,800.11/3,064.95
  6. Step 6: Final answer
    x = 2,301.44

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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.