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Finding the Fourth Proportional to 17,597.76, 26,396.72 and 5,117.84

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Solution

The fourth proportional to 17,597.76, 26,396.72 and 5,117.84 is: 7,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,597.76 : 26,396.72 = 5,117.84 : x
  2. Step 2: Convert to fraction form
    17,597.76/26,396.72 = 5,117.84/x
  3. Step 3: Cross multiply
    17,597.76x = 26,396.72 × 5,117.84
  4. Step 4: Simplify right side
    17,597.76x = 135,094,031.91
  5. Step 5: Solve for x
    x = 135,094,031.91/17,597.76
  6. Step 6: Final answer
    x = 7,676.77

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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.