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Finding the Fourth Proportional to 64,601.62, 89,150.32 and 35,920.97

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Solution

The fourth proportional to 64,601.62, 89,150.32 and 35,920.97 is: 49,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,601.62 : 89,150.32 = 35,920.97 : x
  2. Step 2: Convert to fraction form
    64,601.62/89,150.32 = 35,920.97/x
  3. Step 3: Cross multiply
    64,601.62x = 89,150.32 × 35,920.97
  4. Step 4: Simplify right side
    64,601.62x = 3,202,365,970.21
  5. Step 5: Solve for x
    x = 3,202,365,970.21/64,601.62
  6. Step 6: Final answer
    x = 49,570.99

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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.