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Finding the Fourth Proportional to 3,562.93, 4,916.87 and 1,947.85

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Solution

The fourth proportional to 3,562.93, 4,916.87 and 1,947.85 is: 2,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.93 : 4,916.87 = 1,947.85 : x
  2. Step 2: Convert to fraction form
    3,562.93/4,916.87 = 1,947.85/x
  3. Step 3: Cross multiply
    3,562.93x = 4,916.87 × 1,947.85
  4. Step 4: Simplify right side
    3,562.93x = 9,577,339.56
  5. Step 5: Solve for x
    x = 9,577,339.56/3,562.93
  6. Step 6: Final answer
    x = 2,688.05

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Why These Related Problems?

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