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Finding the Fourth Proportional to 16,809.12, 25,202 and 7,444.03

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Solution

The fourth proportional to 16,809.12, 25,202 and 7,444.03 is: 11,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.12 : 25,202 = 7,444.03 : x
  2. Step 2: Convert to fraction form
    16,809.12/25,202 = 7,444.03/x
  3. Step 3: Cross multiply
    16,809.12x = 25,202 × 7,444.03
  4. Step 4: Simplify right side
    16,809.12x = 187,604,444.06
  5. Step 5: Solve for x
    x = 187,604,444.06/16,809.12
  6. Step 6: Final answer
    x = 11,160.88

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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.