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Finding the Fourth Proportional to 30,452.40, 42,025.25 and 17,024.22

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Solution

The fourth proportional to 30,452.40, 42,025.25 and 17,024.22 is: 23,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.40 : 42,025.25 = 17,024.22 : x
  2. Step 2: Convert to fraction form
    30,452.40/42,025.25 = 17,024.22/x
  3. Step 3: Cross multiply
    30,452.40x = 42,025.25 × 17,024.22
  4. Step 4: Simplify right side
    30,452.40x = 715,447,101.56
  5. Step 5: Solve for x
    x = 715,447,101.56/30,452.40
  6. Step 6: Final answer
    x = 23,493.95

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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.