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Finding the Fourth Proportional to 17,860.79, 26,791.01 and 10,842.75

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Solution

The fourth proportional to 17,860.79, 26,791.01 and 10,842.75 is: 16,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.79 : 26,791.01 = 10,842.75 : x
  2. Step 2: Convert to fraction form
    17,860.79/26,791.01 = 10,842.75/x
  3. Step 3: Cross multiply
    17,860.79x = 26,791.01 × 10,842.75
  4. Step 4: Simplify right side
    17,860.79x = 290,488,089.72
  5. Step 5: Solve for x
    x = 290,488,089.72/17,860.79
  6. Step 6: Final answer
    x = 16,264.02

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1.5x scale

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.