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Finding the Fourth Proportional to 6,787.08, 9,365.22 and 3,802.68

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Solution

The fourth proportional to 6,787.08, 9,365.22 and 3,802.68 is: 5,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.08 : 9,365.22 = 3,802.68 : x
  2. Step 2: Convert to fraction form
    6,787.08/9,365.22 = 3,802.68/x
  3. Step 3: Cross multiply
    6,787.08x = 9,365.22 × 3,802.68
  4. Step 4: Simplify right side
    6,787.08x = 35,612,934.79
  5. Step 5: Solve for x
    x = 35,612,934.79/6,787.08
  6. Step 6: Final answer
    x = 5,247.17

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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.