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Finding the Fourth Proportional to 17,358.80, 26,035.56 and 5,672

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Solution

The fourth proportional to 17,358.80, 26,035.56 and 5,672 is: 8,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.80 : 26,035.56 = 5,672 : x
  2. Step 2: Convert to fraction form
    17,358.80/26,035.56 = 5,672/x
  3. Step 3: Cross multiply
    17,358.80x = 26,035.56 × 5,672
  4. Step 4: Simplify right side
    17,358.80x = 147,673,696.32
  5. Step 5: Solve for x
    x = 147,673,696.32/17,358.80
  6. Step 6: Final answer
    x = 8,507.14

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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.