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Finding the Fourth Proportional to 64,217.64, 88,624.58 and 35,921.64

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Solution

The fourth proportional to 64,217.64, 88,624.58 and 35,921.64 is: 49,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,217.64 : 88,624.58 = 35,921.64 : x
  2. Step 2: Convert to fraction form
    64,217.64/88,624.58 = 35,921.64/x
  3. Step 3: Cross multiply
    64,217.64x = 88,624.58 × 35,921.64
  4. Step 4: Simplify right side
    64,217.64x = 3,183,540,257.91
  5. Step 5: Solve for x
    x = 3,183,540,257.91/64,217.64
  6. Step 6: Final answer
    x = 49,574.23

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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.