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Finding the Fourth Proportional to 6,787.55, 9,358.11 and 5,016.08

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Solution

The fourth proportional to 6,787.55, 9,358.11 and 5,016.08 is: 6,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.55 : 9,358.11 = 5,016.08 : x
  2. Step 2: Convert to fraction form
    6,787.55/9,358.11 = 5,016.08/x
  3. Step 3: Cross multiply
    6,787.55x = 9,358.11 × 5,016.08
  4. Step 4: Simplify right side
    6,787.55x = 46,940,981.62
  5. Step 5: Solve for x
    x = 46,940,981.62/6,787.55
  6. Step 6: Final answer
    x = 6,915.75

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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.