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Finding the Fourth Proportional to 3,562.36, 4,916.07 and 1,947.30

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Solution

The fourth proportional to 3,562.36, 4,916.07 and 1,947.30 is: 2,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.36 : 4,916.07 = 1,947.30 : x
  2. Step 2: Convert to fraction form
    3,562.36/4,916.07 = 1,947.30/x
  3. Step 3: Cross multiply
    3,562.36x = 4,916.07 × 1,947.30
  4. Step 4: Simplify right side
    3,562.36x = 9,573,042.61
  5. Step 5: Solve for x
    x = 9,573,042.61/3,562.36
  6. Step 6: Final answer
    x = 2,687.28

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1.5x scale

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.