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Finding the Fourth Proportional to 35,226.50, 48,614.54 and 20,894.80

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Solution

The fourth proportional to 35,226.50, 48,614.54 and 20,894.80 is: 28,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,226.50 : 48,614.54 = 20,894.80 : x
  2. Step 2: Convert to fraction form
    35,226.50/48,614.54 = 20,894.80/x
  3. Step 3: Cross multiply
    35,226.50x = 48,614.54 × 20,894.80
  4. Step 4: Simplify right side
    35,226.50x = 1,015,791,090.39
  5. Step 5: Solve for x
    x = 1,015,791,090.39/35,226.50
  6. Step 6: Final answer
    x = 28,835.99

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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.