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Finding the Fourth Proportional to 8,356.62, 11,532.04 and 4,579.76

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Solution

The fourth proportional to 8,356.62, 11,532.04 and 4,579.76 is: 6,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.62 : 11,532.04 = 4,579.76 : x
  2. Step 2: Convert to fraction form
    8,356.62/11,532.04 = 4,579.76/x
  3. Step 3: Cross multiply
    8,356.62x = 11,532.04 × 4,579.76
  4. Step 4: Simplify right side
    8,356.62x = 52,813,975.51
  5. Step 5: Solve for x
    x = 52,813,975.51/8,356.62
  6. Step 6: Final answer
    x = 6,320.02

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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.