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Finding the Fourth Proportional to 17,707.79, 26,559.59 and 5,861.59

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Solution

The fourth proportional to 17,707.79, 26,559.59 and 5,861.59 is: 8,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,707.79 : 26,559.59 = 5,861.59 : x
  2. Step 2: Convert to fraction form
    17,707.79/26,559.59 = 5,861.59/x
  3. Step 3: Cross multiply
    17,707.79x = 26,559.59 × 5,861.59
  4. Step 4: Simplify right side
    17,707.79x = 155,681,331.44
  5. Step 5: Solve for x
    x = 155,681,331.44/17,707.79
  6. Step 6: Final answer
    x = 8,791.68

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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.