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Finding the Fourth Proportional to 17,222.02, 25,808.35 and 9,811.18

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Solution

The fourth proportional to 17,222.02, 25,808.35 and 9,811.18 is: 14,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.02 : 25,808.35 = 9,811.18 : x
  2. Step 2: Convert to fraction form
    17,222.02/25,808.35 = 9,811.18/x
  3. Step 3: Cross multiply
    17,222.02x = 25,808.35 × 9,811.18
  4. Step 4: Simplify right side
    17,222.02x = 253,210,367.35
  5. Step 5: Solve for x
    x = 253,210,367.35/17,222.02
  6. Step 6: Final answer
    x = 14,702.71

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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.