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Finding the Fourth Proportional to 16,660.13, 25,002.50 and 7,895.07

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Solution

The fourth proportional to 16,660.13, 25,002.50 and 7,895.07 is: 11,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.13 : 25,002.50 = 7,895.07 : x
  2. Step 2: Convert to fraction form
    16,660.13/25,002.50 = 7,895.07/x
  3. Step 3: Cross multiply
    16,660.13x = 25,002.50 × 7,895.07
  4. Step 4: Simplify right side
    16,660.13x = 197,396,448.20
  5. Step 5: Solve for x
    x = 197,396,448.20/16,660.13
  6. Step 6: Final answer
    x = 11,848.44

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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.