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Finding the Fourth Proportional to 17,927.37, 26,894.28 and 7,391.49

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Solution

The fourth proportional to 17,927.37, 26,894.28 and 7,391.49 is: 11,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.37 : 26,894.28 = 7,391.49 : x
  2. Step 2: Convert to fraction form
    17,927.37/26,894.28 = 7,391.49/x
  3. Step 3: Cross multiply
    17,927.37x = 26,894.28 × 7,391.49
  4. Step 4: Simplify right side
    17,927.37x = 198,788,801.68
  5. Step 5: Solve for x
    x = 198,788,801.68/17,927.37
  6. Step 6: Final answer
    x = 11,088.56

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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.