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Finding the Fourth Proportional to 17,218.71, 25,828.07 and 11,373.95

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Solution

The fourth proportional to 17,218.71, 25,828.07 and 11,373.95 is: 17,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.71 : 25,828.07 = 11,373.95 : x
  2. Step 2: Convert to fraction form
    17,218.71/25,828.07 = 11,373.95/x
  3. Step 3: Cross multiply
    17,218.71x = 25,828.07 × 11,373.95
  4. Step 4: Simplify right side
    17,218.71x = 293,767,184.48
  5. Step 5: Solve for x
    x = 293,767,184.48/17,218.71
  6. Step 6: Final answer
    x = 17,060.93

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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.