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Finding the Fourth Proportional to 34,892.64, 48,135.96 and 20,737.44

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Solution

The fourth proportional to 34,892.64, 48,135.96 and 20,737.44 is: 28,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.64 : 48,135.96 = 20,737.44 : x
  2. Step 2: Convert to fraction form
    34,892.64/48,135.96 = 20,737.44/x
  3. Step 3: Cross multiply
    34,892.64x = 48,135.96 × 20,737.44
  4. Step 4: Simplify right side
    34,892.64x = 998,216,582.34
  5. Step 5: Solve for x
    x = 998,216,582.34/34,892.64
  6. Step 6: Final answer
    x = 28,608.23

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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.