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Finding the Fourth Proportional to 5,872.62, 8,810.95 and 3,678.73

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Solution

The fourth proportional to 5,872.62, 8,810.95 and 3,678.73 is: 5,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.62 : 8,810.95 = 3,678.73 : x
  2. Step 2: Convert to fraction form
    5,872.62/8,810.95 = 3,678.73/x
  3. Step 3: Cross multiply
    5,872.62x = 8,810.95 × 3,678.73
  4. Step 4: Simplify right side
    5,872.62x = 32,413,106.09
  5. Step 5: Solve for x
    x = 32,413,106.09/5,872.62
  6. Step 6: Final answer
    x = 5,519.36

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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.