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Finding the Fourth Proportional to 6,331.61, 8,732.63 and 5,907.19

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Solution

The fourth proportional to 6,331.61, 8,732.63 and 5,907.19 is: 8,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.61 : 8,732.63 = 5,907.19 : x
  2. Step 2: Convert to fraction form
    6,331.61/8,732.63 = 5,907.19/x
  3. Step 3: Cross multiply
    6,331.61x = 8,732.63 × 5,907.19
  4. Step 4: Simplify right side
    6,331.61x = 51,585,297.55
  5. Step 5: Solve for x
    x = 51,585,297.55/6,331.61
  6. Step 6: Final answer
    x = 8,147.26

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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.