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Finding the Fourth Proportional to 6,356.84, 8,772.39 and 3,667.07

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Solution

The fourth proportional to 6,356.84, 8,772.39 and 3,667.07 is: 5,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.84 : 8,772.39 = 3,667.07 : x
  2. Step 2: Convert to fraction form
    6,356.84/8,772.39 = 3,667.07/x
  3. Step 3: Cross multiply
    6,356.84x = 8,772.39 × 3,667.07
  4. Step 4: Simplify right side
    6,356.84x = 32,168,968.20
  5. Step 5: Solve for x
    x = 32,168,968.20/6,356.84
  6. Step 6: Final answer
    x = 5,060.53

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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.