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Finding the Fourth Proportional to 8,924.84, 13,389.17 and 2,684.33

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Solution

The fourth proportional to 8,924.84, 13,389.17 and 2,684.33 is: 4,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.84 : 13,389.17 = 2,684.33 : x
  2. Step 2: Convert to fraction form
    8,924.84/13,389.17 = 2,684.33/x
  3. Step 3: Cross multiply
    8,924.84x = 13,389.17 × 2,684.33
  4. Step 4: Simplify right side
    8,924.84x = 35,940,950.71
  5. Step 5: Solve for x
    x = 35,940,950.71/8,924.84
  6. Step 6: Final answer
    x = 4,027.07

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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.