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Finding the Fourth Proportional to 16,697.88, 25,007.07 and 9,663.08

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Solution

The fourth proportional to 16,697.88, 25,007.07 and 9,663.08 is: 14,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.88 : 25,007.07 = 9,663.08 : x
  2. Step 2: Convert to fraction form
    16,697.88/25,007.07 = 9,663.08/x
  3. Step 3: Cross multiply
    16,697.88x = 25,007.07 × 9,663.08
  4. Step 4: Simplify right side
    16,697.88x = 241,645,192.94
  5. Step 5: Solve for x
    x = 241,645,192.94/16,697.88
  6. Step 6: Final answer
    x = 14,471.61

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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.