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Finding the Fourth Proportional to 4,655.18, 6,982.86 and 3,726.42

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Solution

The fourth proportional to 4,655.18, 6,982.86 and 3,726.42 is: 5,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.18 : 6,982.86 = 3,726.42 : x
  2. Step 2: Convert to fraction form
    4,655.18/6,982.86 = 3,726.42/x
  3. Step 3: Cross multiply
    4,655.18x = 6,982.86 × 3,726.42
  4. Step 4: Simplify right side
    4,655.18x = 26,021,069.16
  5. Step 5: Solve for x
    x = 26,021,069.16/4,655.18
  6. Step 6: Final answer
    x = 5,589.70

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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.