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Finding the Fourth Proportional to 3,059.70, 4,606.20 and 2,787.54

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Solution

The fourth proportional to 3,059.70, 4,606.20 and 2,787.54 is: 4,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.70 : 4,606.20 = 2,787.54 : x
  2. Step 2: Convert to fraction form
    3,059.70/4,606.20 = 2,787.54/x
  3. Step 3: Cross multiply
    3,059.70x = 4,606.20 × 2,787.54
  4. Step 4: Simplify right side
    3,059.70x = 12,839,966.75
  5. Step 5: Solve for x
    x = 12,839,966.75/3,059.70
  6. Step 6: Final answer
    x = 4,196.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.