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Finding the Fourth Proportional to 16,777.71, 25,145.03 and 6,923.91

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Solution

The fourth proportional to 16,777.71, 25,145.03 and 6,923.91 is: 10,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.71 : 25,145.03 = 6,923.91 : x
  2. Step 2: Convert to fraction form
    16,777.71/25,145.03 = 6,923.91/x
  3. Step 3: Cross multiply
    16,777.71x = 25,145.03 × 6,923.91
  4. Step 4: Simplify right side
    16,777.71x = 174,101,824.11
  5. Step 5: Solve for x
    x = 174,101,824.11/16,777.71
  6. Step 6: Final answer
    x = 10,376.97

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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.