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Finding the Fourth Proportional to 6,361.98, 9,545.40 and 3,074.82

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Solution

The fourth proportional to 6,361.98, 9,545.40 and 3,074.82 is: 4,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.98 : 9,545.40 = 3,074.82 : x
  2. Step 2: Convert to fraction form
    6,361.98/9,545.40 = 3,074.82/x
  3. Step 3: Cross multiply
    6,361.98x = 9,545.40 × 3,074.82
  4. Step 4: Simplify right side
    6,361.98x = 29,350,386.83
  5. Step 5: Solve for x
    x = 29,350,386.83/6,361.98
  6. Step 6: Final answer
    x = 4,613.40

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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.