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Finding the Fourth Proportional to 55,307.46, 82,961.46 and 13,754.46

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Solution

The fourth proportional to 55,307.46, 82,961.46 and 13,754.46 is: 20,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307.46 : 82,961.46 = 13,754.46 : x
  2. Step 2: Convert to fraction form
    55,307.46/82,961.46 = 13,754.46/x
  3. Step 3: Cross multiply
    55,307.46x = 82,961.46 × 13,754.46
  4. Step 4: Simplify right side
    55,307.46x = 1,141,090,083.11
  5. Step 5: Solve for x
    x = 1,141,090,083.11/55,307.46
  6. Step 6: Final answer
    x = 20,631.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.