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Finding the Fourth Proportional to 35,443.50, 48,910.50 and 20,325.66

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Solution

The fourth proportional to 35,443.50, 48,910.50 and 20,325.66 is: 28,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.50 : 48,910.50 = 20,325.66 : x
  2. Step 2: Convert to fraction form
    35,443.50/48,910.50 = 20,325.66/x
  3. Step 3: Cross multiply
    35,443.50x = 48,910.50 × 20,325.66
  4. Step 4: Simplify right side
    35,443.50x = 994,138,193.43
  5. Step 5: Solve for x
    x = 994,138,193.43/35,443.50
  6. Step 6: Final answer
    x = 28,048.53

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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.