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Finding the Fourth Proportional to 17,527.13, 26,290.69 and 5,215.13

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Solution

The fourth proportional to 17,527.13, 26,290.69 and 5,215.13 is: 7,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,527.13 : 26,290.69 = 5,215.13 : x
  2. Step 2: Convert to fraction form
    17,527.13/26,290.69 = 5,215.13/x
  3. Step 3: Cross multiply
    17,527.13x = 26,290.69 × 5,215.13
  4. Step 4: Simplify right side
    17,527.13x = 137,109,221.65
  5. Step 5: Solve for x
    x = 137,109,221.65/17,527.13
  6. Step 6: Final answer
    x = 7,822.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.