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Finding the Fourth Proportional to 23,625.34, 35,265.18 and 20,822.90

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Solution

The fourth proportional to 23,625.34, 35,265.18 and 20,822.90 is: 31,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,625.34 : 35,265.18 = 20,822.90 : x
  2. Step 2: Convert to fraction form
    23,625.34/35,265.18 = 20,822.90/x
  3. Step 3: Cross multiply
    23,625.34x = 35,265.18 × 20,822.90
  4. Step 4: Simplify right side
    23,625.34x = 734,323,316.62
  5. Step 5: Solve for x
    x = 734,323,316.62/23,625.34
  6. Step 6: Final answer
    x = 31,082.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.