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Finding the Fourth Proportional to 35,474.61, 48,957.03 and 20,367.30

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Solution

The fourth proportional to 35,474.61, 48,957.03 and 20,367.30 is: 28,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.61 : 48,957.03 = 20,367.30 : x
  2. Step 2: Convert to fraction form
    35,474.61/48,957.03 = 20,367.30/x
  3. Step 3: Cross multiply
    35,474.61x = 48,957.03 × 20,367.30
  4. Step 4: Simplify right side
    35,474.61x = 997,122,517.12
  5. Step 5: Solve for x
    x = 997,122,517.12/35,474.61
  6. Step 6: Final answer
    x = 28,108.06

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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.