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Finding the Fourth Proportional to 5,872.90, 8,810.07 and 2,586.82

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Solution

The fourth proportional to 5,872.90, 8,810.07 and 2,586.82 is: 3,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.90 : 8,810.07 = 2,586.82 : x
  2. Step 2: Convert to fraction form
    5,872.90/8,810.07 = 2,586.82/x
  3. Step 3: Cross multiply
    5,872.90x = 8,810.07 × 2,586.82
  4. Step 4: Simplify right side
    5,872.90x = 22,790,065.28
  5. Step 5: Solve for x
    x = 22,790,065.28/5,872.90
  6. Step 6: Final answer
    x = 3,880.55

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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.