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Finding the Fourth Proportional to 8,871.05, 12,241.13 and 5,093.48

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Solution

The fourth proportional to 8,871.05, 12,241.13 and 5,093.48 is: 7,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.05 : 12,241.13 = 5,093.48 : x
  2. Step 2: Convert to fraction form
    8,871.05/12,241.13 = 5,093.48/x
  3. Step 3: Cross multiply
    8,871.05x = 12,241.13 × 5,093.48
  4. Step 4: Simplify right side
    8,871.05x = 62,349,955.97
  5. Step 5: Solve for x
    x = 62,349,955.97/8,871.05
  6. Step 6: Final answer
    x = 7,028.47

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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.