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Finding the Fourth Proportional to 8,979.24, 13,467.24 and 2,737.76

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Solution

The fourth proportional to 8,979.24, 13,467.24 and 2,737.76 is: 4,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.24 : 13,467.24 = 2,737.76 : x
  2. Step 2: Convert to fraction form
    8,979.24/13,467.24 = 2,737.76/x
  3. Step 3: Cross multiply
    8,979.24x = 13,467.24 × 2,737.76
  4. Step 4: Simplify right side
    8,979.24x = 36,870,070.98
  5. Step 5: Solve for x
    x = 36,870,070.98/8,979.24
  6. Step 6: Final answer
    x = 4,106.15

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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.