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Finding the Fourth Proportional to 4,787.74, 6,606.07 and 2,898.96

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Solution

The fourth proportional to 4,787.74, 6,606.07 and 2,898.96 is: 3,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.74 : 6,606.07 = 2,898.96 : x
  2. Step 2: Convert to fraction form
    4,787.74/6,606.07 = 2,898.96/x
  3. Step 3: Cross multiply
    4,787.74x = 6,606.07 × 2,898.96
  4. Step 4: Simplify right side
    4,787.74x = 19,150,732.69
  5. Step 5: Solve for x
    x = 19,150,732.69/4,787.74
  6. Step 6: Final answer
    x = 3,999.95

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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.