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Finding the Fourth Proportional to 17,811.51, 26,716.51 and 4,663.59

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Solution

The fourth proportional to 17,811.51, 26,716.51 and 4,663.59 is: 6,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.51 : 26,716.51 = 4,663.59 : x
  2. Step 2: Convert to fraction form
    17,811.51/26,716.51 = 4,663.59/x
  3. Step 3: Cross multiply
    17,811.51x = 26,716.51 × 4,663.59
  4. Step 4: Simplify right side
    17,811.51x = 124,594,870.61
  5. Step 5: Solve for x
    x = 124,594,870.61/17,811.51
  6. Step 6: Final answer
    x = 6,995.19

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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.