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Finding the Fourth Proportional to 35,493.66, 48,979.49 and 19,577.70

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Solution

The fourth proportional to 35,493.66, 48,979.49 and 19,577.70 is: 27,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.66 : 48,979.49 = 19,577.70 : x
  2. Step 2: Convert to fraction form
    35,493.66/48,979.49 = 19,577.70/x
  3. Step 3: Cross multiply
    35,493.66x = 48,979.49 × 19,577.70
  4. Step 4: Simplify right side
    35,493.66x = 958,905,663.48
  5. Step 5: Solve for x
    x = 958,905,663.48/35,493.66
  6. Step 6: Final answer
    x = 27,016.25

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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.