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Finding the Fourth Proportional to 3,192.17, 4,787.70 and 883.13

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Solution

The fourth proportional to 3,192.17, 4,787.70 and 883.13 is: 1,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.17 : 4,787.70 = 883.13 : x
  2. Step 2: Convert to fraction form
    3,192.17/4,787.70 = 883.13/x
  3. Step 3: Cross multiply
    3,192.17x = 4,787.70 × 883.13
  4. Step 4: Simplify right side
    3,192.17x = 4,228,137.56
  5. Step 5: Solve for x
    x = 4,228,137.56/3,192.17
  6. Step 6: Final answer
    x = 1,324.54

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1.5x scale

Why These Related Problems?

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