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Finding the Fourth Proportional to 35,420.98, 48,879.02 and 19,502.42

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Solution

The fourth proportional to 35,420.98, 48,879.02 and 19,502.42 is: 26,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.98 : 48,879.02 = 19,502.42 : x
  2. Step 2: Convert to fraction form
    35,420.98/48,879.02 = 19,502.42/x
  3. Step 3: Cross multiply
    35,420.98x = 48,879.02 × 19,502.42
  4. Step 4: Simplify right side
    35,420.98x = 953,259,177.23
  5. Step 5: Solve for x
    x = 953,259,177.23/35,420.98
  6. Step 6: Final answer
    x = 26,912.28

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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.