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Finding the Fourth Proportional to 58,976.70, 81,382.50 and 35,099.52

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Solution

The fourth proportional to 58,976.70, 81,382.50 and 35,099.52 is: 48,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,976.70 : 81,382.50 = 35,099.52 : x
  2. Step 2: Convert to fraction form
    58,976.70/81,382.50 = 35,099.52/x
  3. Step 3: Cross multiply
    58,976.70x = 81,382.50 × 35,099.52
  4. Step 4: Simplify right side
    58,976.70x = 2,856,486,686.40
  5. Step 5: Solve for x
    x = 2,856,486,686.40/58,976.70
  6. Step 6: Final answer
    x = 48,434.16

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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.