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Finding the Fourth Proportional to 35,105.88, 48,446.87 and 19,191.81

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Solution

The fourth proportional to 35,105.88, 48,446.87 and 19,191.81 is: 26,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.88 : 48,446.87 = 19,191.81 : x
  2. Step 2: Convert to fraction form
    35,105.88/48,446.87 = 19,191.81/x
  3. Step 3: Cross multiply
    35,105.88x = 48,446.87 × 19,191.81
  4. Step 4: Simplify right side
    35,105.88x = 929,783,028.18
  5. Step 5: Solve for x
    x = 929,783,028.18/35,105.88
  6. Step 6: Final answer
    x = 26,485.11

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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.