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Finding the Fourth Proportional to 4,520.81, 6,780.51 and 1,234.14

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Solution

The fourth proportional to 4,520.81, 6,780.51 and 1,234.14 is: 1,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.81 : 6,780.51 = 1,234.14 : x
  2. Step 2: Convert to fraction form
    4,520.81/6,780.51 = 1,234.14/x
  3. Step 3: Cross multiply
    4,520.81x = 6,780.51 × 1,234.14
  4. Step 4: Simplify right side
    4,520.81x = 8,368,073.18
  5. Step 5: Solve for x
    x = 8,368,073.18/4,520.81
  6. Step 6: Final answer
    x = 1,851.01

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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.