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Finding the Fourth Proportional to 30,093.52, 41,515.95 and 18,150.22

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Solution

The fourth proportional to 30,093.52, 41,515.95 and 18,150.22 is: 25,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.52 : 41,515.95 = 18,150.22 : x
  2. Step 2: Convert to fraction form
    30,093.52/41,515.95 = 18,150.22/x
  3. Step 3: Cross multiply
    30,093.52x = 41,515.95 × 18,150.22
  4. Step 4: Simplify right side
    30,093.52x = 753,523,626.01
  5. Step 5: Solve for x
    x = 753,523,626.01/30,093.52
  6. Step 6: Final answer
    x = 25,039.40

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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.