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Finding the Fourth Proportional to 55,837.60, 83,610.60 and 36,008.80

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Solution

The fourth proportional to 55,837.60, 83,610.60 and 36,008.80 is: 53,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,837.60 : 83,610.60 = 36,008.80 : x
  2. Step 2: Convert to fraction form
    55,837.60/83,610.60 = 36,008.80/x
  3. Step 3: Cross multiply
    55,837.60x = 83,610.60 × 36,008.80
  4. Step 4: Simplify right side
    55,837.60x = 3,010,717,373.28
  5. Step 5: Solve for x
    x = 3,010,717,373.28/55,837.60
  6. Step 6: Final answer
    x = 53,919.18

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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.