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Finding the Fourth Proportional to 8,812.01, 13,220.06 and 2,571.89

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Solution

The fourth proportional to 8,812.01, 13,220.06 and 2,571.89 is: 3,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.01 : 13,220.06 = 2,571.89 : x
  2. Step 2: Convert to fraction form
    8,812.01/13,220.06 = 2,571.89/x
  3. Step 3: Cross multiply
    8,812.01x = 13,220.06 × 2,571.89
  4. Step 4: Simplify right side
    8,812.01x = 34,000,461.15
  5. Step 5: Solve for x
    x = 34,000,461.15/8,812.01
  6. Step 6: Final answer
    x = 3,858.42

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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.