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Finding the Fourth Proportional to 17,904.88, 26,860.06 and 9,135.02

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Solution

The fourth proportional to 17,904.88, 26,860.06 and 9,135.02 is: 13,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.88 : 26,860.06 = 9,135.02 : x
  2. Step 2: Convert to fraction form
    17,904.88/26,860.06 = 9,135.02/x
  3. Step 3: Cross multiply
    17,904.88x = 26,860.06 × 9,135.02
  4. Step 4: Simplify right side
    17,904.88x = 245,367,185.30
  5. Step 5: Solve for x
    x = 245,367,185.30/17,904.88
  6. Step 6: Final answer
    x = 13,703.93

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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.