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Finding the Fourth Proportional to 14,101.92, 21,154.68 and 4,737.92

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Solution

The fourth proportional to 14,101.92, 21,154.68 and 4,737.92 is: 7,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.92 : 21,154.68 = 4,737.92 : x
  2. Step 2: Convert to fraction form
    14,101.92/21,154.68 = 4,737.92/x
  3. Step 3: Cross multiply
    14,101.92x = 21,154.68 × 4,737.92
  4. Step 4: Simplify right side
    14,101.92x = 100,229,181.47
  5. Step 5: Solve for x
    x = 100,229,181.47/14,101.92
  6. Step 6: Final answer
    x = 7,107.48

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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.