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Finding the Fourth Proportional to 64,568.58, 96,644.55 and 33,360.90

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Solution

The fourth proportional to 64,568.58, 96,644.55 and 33,360.90 is: 49,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,568.58 : 96,644.55 = 33,360.90 : x
  2. Step 2: Convert to fraction form
    64,568.58/96,644.55 = 33,360.90/x
  3. Step 3: Cross multiply
    64,568.58x = 96,644.55 × 33,360.90
  4. Step 4: Simplify right side
    64,568.58x = 3,224,149,168.10
  5. Step 5: Solve for x
    x = 3,224,149,168.10/64,568.58
  6. Step 6: Final answer
    x = 49,933.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.