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Finding the Fourth Proportional to 35,671.28, 49,227.12 and 19,539.28

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Solution

The fourth proportional to 35,671.28, 49,227.12 and 19,539.28 is: 26,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,671.28 : 49,227.12 = 19,539.28 : x
  2. Step 2: Convert to fraction form
    35,671.28/49,227.12 = 19,539.28/x
  3. Step 3: Cross multiply
    35,671.28x = 49,227.12 × 19,539.28
  4. Step 4: Simplify right side
    35,671.28x = 961,862,481.27
  5. Step 5: Solve for x
    x = 961,862,481.27/35,671.28
  6. Step 6: Final answer
    x = 26,964.62

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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.