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Finding the Fourth Proportional to 56,987.44, 85,450.08 and 17,534.08

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Solution

The fourth proportional to 56,987.44, 85,450.08 and 17,534.08 is: 26,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,987.44 : 85,450.08 = 17,534.08 : x
  2. Step 2: Convert to fraction form
    56,987.44/85,450.08 = 17,534.08/x
  3. Step 3: Cross multiply
    56,987.44x = 85,450.08 × 17,534.08
  4. Step 4: Simplify right side
    56,987.44x = 1,498,288,538.73
  5. Step 5: Solve for x
    x = 1,498,288,538.73/56,987.44
  6. Step 6: Final answer
    x = 26,291.56

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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.