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Finding the Fourth Proportional to 17,202.88, 25,808.65 and 4,890.88

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Solution

The fourth proportional to 17,202.88, 25,808.65 and 4,890.88 is: 7,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,202.88 : 25,808.65 = 4,890.88 : x
  2. Step 2: Convert to fraction form
    17,202.88/25,808.65 = 4,890.88/x
  3. Step 3: Cross multiply
    17,202.88x = 25,808.65 × 4,890.88
  4. Step 4: Simplify right side
    17,202.88x = 126,226,881.07
  5. Step 5: Solve for x
    x = 126,226,881.07/17,202.88
  6. Step 6: Final answer
    x = 7,337.55

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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.