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Finding the Fourth Proportional to 35,379.40, 48,822.34 and 19,463.68

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Solution

The fourth proportional to 35,379.40, 48,822.34 and 19,463.68 is: 26,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379.40 : 48,822.34 = 19,463.68 : x
  2. Step 2: Convert to fraction form
    35,379.40/48,822.34 = 19,463.68/x
  3. Step 3: Cross multiply
    35,379.40x = 48,822.34 × 19,463.68
  4. Step 4: Simplify right side
    35,379.40x = 950,262,402.61
  5. Step 5: Solve for x
    x = 950,262,402.61/35,379.40
  6. Step 6: Final answer
    x = 26,859.20

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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.