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Finding the Fourth Proportional to 62,966.94, 86,898.02 and 36,109.23

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Solution

The fourth proportional to 62,966.94, 86,898.02 and 36,109.23 is: 49,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,966.94 : 86,898.02 = 36,109.23 : x
  2. Step 2: Convert to fraction form
    62,966.94/86,898.02 = 36,109.23/x
  3. Step 3: Cross multiply
    62,966.94x = 86,898.02 × 36,109.23
  4. Step 4: Simplify right side
    62,966.94x = 3,137,820,410.18
  5. Step 5: Solve for x
    x = 3,137,820,410.18/62,966.94
  6. Step 6: Final answer
    x = 49,832.82

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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.