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Finding the Fourth Proportional to 64,467.62, 88,963.90 and 35,785.61

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Solution

The fourth proportional to 64,467.62, 88,963.90 and 35,785.61 is: 49,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.62 : 88,963.90 = 35,785.61 : x
  2. Step 2: Convert to fraction form
    64,467.62/88,963.90 = 35,785.61/x
  3. Step 3: Cross multiply
    64,467.62x = 88,963.90 × 35,785.61
  4. Step 4: Simplify right side
    64,467.62x = 3,183,627,429.48
  5. Step 5: Solve for x
    x = 3,183,627,429.48/64,467.62
  6. Step 6: Final answer
    x = 49,383.36

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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.