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Finding the Fourth Proportional to 8,058.88, 11,122.56 and 5,538.88

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Solution

The fourth proportional to 8,058.88, 11,122.56 and 5,538.88 is: 7,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.88 : 11,122.56 = 5,538.88 : x
  2. Step 2: Convert to fraction form
    8,058.88/11,122.56 = 5,538.88/x
  3. Step 3: Cross multiply
    8,058.88x = 11,122.56 × 5,538.88
  4. Step 4: Simplify right side
    8,058.88x = 61,606,525.13
  5. Step 5: Solve for x
    x = 61,606,525.13/8,058.88
  6. Step 6: Final answer
    x = 7,644.55

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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.