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Finding the Fourth Proportional to 62,543.64, 86,309.18 and 33,863.07

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Solution

The fourth proportional to 62,543.64, 86,309.18 and 33,863.07 is: 46,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.64 : 86,309.18 = 33,863.07 : x
  2. Step 2: Convert to fraction form
    62,543.64/86,309.18 = 33,863.07/x
  3. Step 3: Cross multiply
    62,543.64x = 86,309.18 × 33,863.07
  4. Step 4: Simplify right side
    62,543.64x = 2,922,693,803.98
  5. Step 5: Solve for x
    x = 2,922,693,803.98/62,543.64
  6. Step 6: Final answer
    x = 46,730.48

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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.