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Finding the Fourth Proportional to 55,987.37, 83,980.53 and 22,699.52

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Solution

The fourth proportional to 55,987.37, 83,980.53 and 22,699.52 is: 34,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987.37 : 83,980.53 = 22,699.52 : x
  2. Step 2: Convert to fraction form
    55,987.37/83,980.53 = 22,699.52/x
  3. Step 3: Cross multiply
    55,987.37x = 83,980.53 × 22,699.52
  4. Step 4: Simplify right side
    55,987.37x = 1,906,317,186.95
  5. Step 5: Solve for x
    x = 1,906,317,186.95/55,987.37
  6. Step 6: Final answer
    x = 34,049.06

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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.