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Finding the Fourth Proportional to 8,802.81, 13,204.22 and 3,872.48

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Solution

The fourth proportional to 8,802.81, 13,204.22 and 3,872.48 is: 5,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.81 : 13,204.22 = 3,872.48 : x
  2. Step 2: Convert to fraction form
    8,802.81/13,204.22 = 3,872.48/x
  3. Step 3: Cross multiply
    8,802.81x = 13,204.22 × 3,872.48
  4. Step 4: Simplify right side
    8,802.81x = 51,132,992.48
  5. Step 5: Solve for x
    x = 51,132,992.48/8,802.81
  6. Step 6: Final answer
    x = 5,808.71

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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.