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Finding the Fourth Proportional to 35,286.31, 48,695.02 and 19,370.41

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Solution

The fourth proportional to 35,286.31, 48,695.02 and 19,370.41 is: 26,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,286.31 : 48,695.02 = 19,370.41 : x
  2. Step 2: Convert to fraction form
    35,286.31/48,695.02 = 19,370.41/x
  3. Step 3: Cross multiply
    35,286.31x = 48,695.02 × 19,370.41
  4. Step 4: Simplify right side
    35,286.31x = 943,242,502.36
  5. Step 5: Solve for x
    x = 943,242,502.36/35,286.31
  6. Step 6: Final answer
    x = 26,731.12

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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.