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Finding the Fourth Proportional to 64,936.93, 89,616.92 and 36,256.55

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Solution

The fourth proportional to 64,936.93, 89,616.92 and 36,256.55 is: 50,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.93 : 89,616.92 = 36,256.55 : x
  2. Step 2: Convert to fraction form
    64,936.93/89,616.92 = 36,256.55/x
  3. Step 3: Cross multiply
    64,936.93x = 89,616.92 × 36,256.55
  4. Step 4: Simplify right side
    64,936.93x = 3,249,200,242.49
  5. Step 5: Solve for x
    x = 3,249,200,242.49/64,936.93
  6. Step 6: Final answer
    x = 50,036.25

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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.