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Finding the Fourth Proportional to 58,976.15, 81,393.81 and 35,102.90

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Solution

The fourth proportional to 58,976.15, 81,393.81 and 35,102.90 is: 48,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,976.15 : 81,393.81 = 35,102.90 : x
  2. Step 2: Convert to fraction form
    58,976.15/81,393.81 = 35,102.90/x
  3. Step 3: Cross multiply
    58,976.15x = 81,393.81 × 35,102.90
  4. Step 4: Simplify right side
    58,976.15x = 2,857,158,773.05
  5. Step 5: Solve for x
    x = 2,857,158,773.05/58,976.15
  6. Step 6: Final answer
    x = 48,446.00

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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.