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Finding the Fourth Proportional to 64,079.84, 96,132.72 and 22,538.72

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Solution

The fourth proportional to 64,079.84, 96,132.72 and 22,538.72 is: 33,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,079.84 : 96,132.72 = 22,538.72 : x
  2. Step 2: Convert to fraction form
    64,079.84/96,132.72 = 22,538.72/x
  3. Step 3: Cross multiply
    64,079.84x = 96,132.72 × 22,538.72
  4. Step 4: Simplify right side
    64,079.84x = 2,166,708,458.92
  5. Step 5: Solve for x
    x = 2,166,708,458.92/64,079.84
  6. Step 6: Final answer
    x = 33,812.64

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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.