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Finding the Fourth Proportional to 6,356.36, 8,772.40 and 3,667.70

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Solution

The fourth proportional to 6,356.36, 8,772.40 and 3,667.70 is: 5,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.36 : 8,772.40 = 3,667.70 : x
  2. Step 2: Convert to fraction form
    6,356.36/8,772.40 = 3,667.70/x
  3. Step 3: Cross multiply
    6,356.36x = 8,772.40 × 3,667.70
  4. Step 4: Simplify right side
    6,356.36x = 32,174,531.48
  5. Step 5: Solve for x
    x = 32,174,531.48/6,356.36
  6. Step 6: Final answer
    x = 5,061.79

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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.