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Finding the Fourth Proportional to 64,671.88, 89,246.28 and 36,377.52

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Solution

The fourth proportional to 64,671.88, 89,246.28 and 36,377.52 is: 50,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671.88 : 89,246.28 = 36,377.52 : x
  2. Step 2: Convert to fraction form
    64,671.88/89,246.28 = 36,377.52/x
  3. Step 3: Cross multiply
    64,671.88x = 89,246.28 × 36,377.52
  4. Step 4: Simplify right side
    64,671.88x = 3,246,558,335.63
  5. Step 5: Solve for x
    x = 3,246,558,335.63/64,671.88
  6. Step 6: Final answer
    x = 50,200.46

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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.