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Finding the Fourth Proportional to 14,591.84, 21,874.08 and 5,355.68

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Solution

The fourth proportional to 14,591.84, 21,874.08 and 5,355.68 is: 8,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.84 : 21,874.08 = 5,355.68 : x
  2. Step 2: Convert to fraction form
    14,591.84/21,874.08 = 5,355.68/x
  3. Step 3: Cross multiply
    14,591.84x = 21,874.08 × 5,355.68
  4. Step 4: Simplify right side
    14,591.84x = 117,150,572.77
  5. Step 5: Solve for x
    x = 117,150,572.77/14,591.84
  6. Step 6: Final answer
    x = 8,028.50

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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.