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Finding the Fourth Proportional to 17,918.01, 24,722.82 and 10,842.93

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Solution

The fourth proportional to 17,918.01, 24,722.82 and 10,842.93 is: 14,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.01 : 24,722.82 = 10,842.93 : x
  2. Step 2: Convert to fraction form
    17,918.01/24,722.82 = 10,842.93/x
  3. Step 3: Cross multiply
    17,918.01x = 24,722.82 × 10,842.93
  4. Step 4: Simplify right side
    17,918.01x = 268,067,806.66
  5. Step 5: Solve for x
    x = 268,067,806.66/17,918.01
  6. Step 6: Final answer
    x = 14,960.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.