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Finding the Fourth Proportional to 16,601.76, 24,911.28 and 6,748.32

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Solution

The fourth proportional to 16,601.76, 24,911.28 and 6,748.32 is: 10,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.76 : 24,911.28 = 6,748.32 : x
  2. Step 2: Convert to fraction form
    16,601.76/24,911.28 = 6,748.32/x
  3. Step 3: Cross multiply
    16,601.76x = 24,911.28 × 6,748.32
  4. Step 4: Simplify right side
    16,601.76x = 168,109,289.05
  5. Step 5: Solve for x
    x = 168,109,289.05/16,601.76
  6. Step 6: Final answer
    x = 10,125.99

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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.