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Finding the Fourth Proportional to 67,332.52, 92,918.64 and 39,054.34

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Solution

The fourth proportional to 67,332.52, 92,918.64 and 39,054.34 is: 53,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.52 : 92,918.64 = 39,054.34 : x
  2. Step 2: Convert to fraction form
    67,332.52/92,918.64 = 39,054.34/x
  3. Step 3: Cross multiply
    67,332.52x = 92,918.64 × 39,054.34
  4. Step 4: Simplify right side
    67,332.52x = 3,628,876,158.90
  5. Step 5: Solve for x
    x = 3,628,876,158.90/67,332.52
  6. Step 6: Final answer
    x = 53,894.85

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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.