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Finding the Fourth Proportional to 6,787.02, 9,367.06 and 3,956.08

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Solution

The fourth proportional to 6,787.02, 9,367.06 and 3,956.08 is: 5,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.02 : 9,367.06 = 3,956.08 : x
  2. Step 2: Convert to fraction form
    6,787.02/9,367.06 = 3,956.08/x
  3. Step 3: Cross multiply
    6,787.02x = 9,367.06 × 3,956.08
  4. Step 4: Simplify right side
    6,787.02x = 37,056,838.72
  5. Step 5: Solve for x
    x = 37,056,838.72/6,787.02
  6. Step 6: Final answer
    x = 5,459.96

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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.