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Finding the Fourth Proportional to 17,368.68, 26,047.08 and 5,679

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Solution

The fourth proportional to 17,368.68, 26,047.08 and 5,679 is: 8,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.68 : 26,047.08 = 5,679 : x
  2. Step 2: Convert to fraction form
    17,368.68/26,047.08 = 5,679/x
  3. Step 3: Cross multiply
    17,368.68x = 26,047.08 × 5,679
  4. Step 4: Simplify right side
    17,368.68x = 147,921,367.32
  5. Step 5: Solve for x
    x = 147,921,367.32/17,368.68
  6. Step 6: Final answer
    x = 8,516.56

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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.