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Finding the Fourth Proportional to 3,053.77, 4,581.05 and 862.67

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Solution

The fourth proportional to 3,053.77, 4,581.05 and 862.67 is: 1,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.77 : 4,581.05 = 862.67 : x
  2. Step 2: Convert to fraction form
    3,053.77/4,581.05 = 862.67/x
  3. Step 3: Cross multiply
    3,053.77x = 4,581.05 × 862.67
  4. Step 4: Simplify right side
    3,053.77x = 3,951,941.54
  5. Step 5: Solve for x
    x = 3,951,941.54/3,053.77
  6. Step 6: Final answer
    x = 1,294.12

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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.