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Finding the Fourth Proportional to 8,888.48, 13,331.48 and 2,649.44

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Solution

The fourth proportional to 8,888.48, 13,331.48 and 2,649.44 is: 3,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.48 : 13,331.48 = 2,649.44 : x
  2. Step 2: Convert to fraction form
    8,888.48/13,331.48 = 2,649.44/x
  3. Step 3: Cross multiply
    8,888.48x = 13,331.48 × 2,649.44
  4. Step 4: Simplify right side
    8,888.48x = 35,320,956.37
  5. Step 5: Solve for x
    x = 35,320,956.37/8,888.48
  6. Step 6: Final answer
    x = 3,973.79

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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.