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Finding the Fourth Proportional to 17,356.70, 26,035.05 and 15,542.30

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Solution

The fourth proportional to 17,356.70, 26,035.05 and 15,542.30 is: 23,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,356.70 : 26,035.05 = 15,542.30 : x
  2. Step 2: Convert to fraction form
    17,356.70/26,035.05 = 15,542.30/x
  3. Step 3: Cross multiply
    17,356.70x = 26,035.05 × 15,542.30
  4. Step 4: Simplify right side
    17,356.70x = 404,644,557.62
  5. Step 5: Solve for x
    x = 404,644,557.62/17,356.70
  6. Step 6: Final answer
    x = 23,313.45

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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.