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Finding the Fourth Proportional to 64,706.73, 89,291.88 and 36,414.24

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Solution

The fourth proportional to 64,706.73, 89,291.88 and 36,414.24 is: 50,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,706.73 : 89,291.88 = 36,414.24 : x
  2. Step 2: Convert to fraction form
    64,706.73/89,291.88 = 36,414.24/x
  3. Step 3: Cross multiply
    64,706.73x = 89,291.88 × 36,414.24
  4. Step 4: Simplify right side
    64,706.73x = 3,251,495,948.37
  5. Step 5: Solve for x
    x = 3,251,495,948.37/64,706.73
  6. Step 6: Final answer
    x = 50,249.73

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1.5x scale

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.