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Finding the Fourth Proportional to 4,611.71, 6,363.59 and 2,621.70

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Solution

The fourth proportional to 4,611.71, 6,363.59 and 2,621.70 is: 3,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.71 : 6,363.59 = 2,621.70 : x
  2. Step 2: Convert to fraction form
    4,611.71/6,363.59 = 2,621.70/x
  3. Step 3: Cross multiply
    4,611.71x = 6,363.59 × 2,621.70
  4. Step 4: Simplify right side
    4,611.71x = 16,683,410.79
  5. Step 5: Solve for x
    x = 16,683,410.79/4,611.71
  6. Step 6: Final answer
    x = 3,617.62

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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.