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Finding the Fourth Proportional to 64,292.24, 88,724.72 and 36,696.35

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Solution

The fourth proportional to 64,292.24, 88,724.72 and 36,696.35 is: 50,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,292.24 : 88,724.72 = 36,696.35 : x
  2. Step 2: Convert to fraction form
    64,292.24/88,724.72 = 36,696.35/x
  3. Step 3: Cross multiply
    64,292.24x = 88,724.72 × 36,696.35
  4. Step 4: Simplify right side
    64,292.24x = 3,255,873,378.77
  5. Step 5: Solve for x
    x = 3,255,873,378.77/64,292.24
  6. Step 6: Final answer
    x = 50,641.78

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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.