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Finding the Fourth Proportional to 8,767.47, 13,150.49 and 2,611.47

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Solution

The fourth proportional to 8,767.47, 13,150.49 and 2,611.47 is: 3,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.47 : 13,150.49 = 2,611.47 : x
  2. Step 2: Convert to fraction form
    8,767.47/13,150.49 = 2,611.47/x
  3. Step 3: Cross multiply
    8,767.47x = 13,150.49 × 2,611.47
  4. Step 4: Simplify right side
    8,767.47x = 34,342,097.06
  5. Step 5: Solve for x
    x = 34,342,097.06/8,767.47
  6. Step 6: Final answer
    x = 3,916.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.