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Finding the Fourth Proportional to 17,447.75, 26,156.75 and 7,579.52

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Solution

The fourth proportional to 17,447.75, 26,156.75 and 7,579.52 is: 11,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,447.75 : 26,156.75 = 7,579.52 : x
  2. Step 2: Convert to fraction form
    17,447.75/26,156.75 = 7,579.52/x
  3. Step 3: Cross multiply
    17,447.75x = 26,156.75 × 7,579.52
  4. Step 4: Simplify right side
    17,447.75x = 198,255,637.25
  5. Step 5: Solve for x
    x = 198,255,637.25/17,447.75
  6. Step 6: Final answer
    x = 11,362.82

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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.