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Finding the Fourth Proportional to 30,163.57, 41,625.75 and 17,590.75

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Solution

The fourth proportional to 30,163.57, 41,625.75 and 17,590.75 is: 24,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.57 : 41,625.75 = 17,590.75 : x
  2. Step 2: Convert to fraction form
    30,163.57/41,625.75 = 17,590.75/x
  3. Step 3: Cross multiply
    30,163.57x = 41,625.75 × 17,590.75
  4. Step 4: Simplify right side
    30,163.57x = 732,227,953.68
  5. Step 5: Solve for x
    x = 732,227,953.68/30,163.57
  6. Step 6: Final answer
    x = 24,275.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.