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Finding the Fourth Proportional to 55,505.52, 76,598.82 and 30,355.02

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Solution

The fourth proportional to 55,505.52, 76,598.82 and 30,355.02 is: 41,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,505.52 : 76,598.82 = 30,355.02 : x
  2. Step 2: Convert to fraction form
    55,505.52/76,598.82 = 30,355.02/x
  3. Step 3: Cross multiply
    55,505.52x = 76,598.82 × 30,355.02
  4. Step 4: Simplify right side
    55,505.52x = 2,325,158,713.08
  5. Step 5: Solve for x
    x = 2,325,158,713.08/55,505.52
  6. Step 6: Final answer
    x = 41,890.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.