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Finding the Fourth Proportional to 17,593.34, 26,391.74 and 5,113.47

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Solution

The fourth proportional to 17,593.34, 26,391.74 and 5,113.47 is: 7,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,593.34 : 26,391.74 = 5,113.47 : x
  2. Step 2: Convert to fraction form
    17,593.34/26,391.74 = 5,113.47/x
  3. Step 3: Cross multiply
    17,593.34x = 26,391.74 × 5,113.47
  4. Step 4: Simplify right side
    17,593.34x = 134,953,380.84
  5. Step 5: Solve for x
    x = 134,953,380.84/17,593.34
  6. Step 6: Final answer
    x = 7,670.71

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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.