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Finding the Fourth Proportional to 35,380.64, 48,824.90 and 19,465.10

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Solution

The fourth proportional to 35,380.64, 48,824.90 and 19,465.10 is: 26,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.64 : 48,824.90 = 19,465.10 : x
  2. Step 2: Convert to fraction form
    35,380.64/48,824.90 = 19,465.10/x
  3. Step 3: Cross multiply
    35,380.64x = 48,824.90 × 19,465.10
  4. Step 4: Simplify right side
    35,380.64x = 950,381,560.99
  5. Step 5: Solve for x
    x = 950,381,560.99/35,380.64
  6. Step 6: Final answer
    x = 26,861.63

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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.