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Finding the Fourth Proportional to 17,860.74, 26,754.78 and 11,601.78

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Solution

The fourth proportional to 17,860.74, 26,754.78 and 11,601.78 is: 17,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.74 : 26,754.78 = 11,601.78 : x
  2. Step 2: Convert to fraction form
    17,860.74/26,754.78 = 11,601.78/x
  3. Step 3: Cross multiply
    17,860.74x = 26,754.78 × 11,601.78
  4. Step 4: Simplify right side
    17,860.74x = 310,403,071.51
  5. Step 5: Solve for x
    x = 310,403,071.51/17,860.74
  6. Step 6: Final answer
    x = 17,379.07

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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.