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Finding the Fourth Proportional to 64,704.71, 97,066.62 and 33,132.62

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Solution

The fourth proportional to 64,704.71, 97,066.62 and 33,132.62 is: 49,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,704.71 : 97,066.62 = 33,132.62 : x
  2. Step 2: Convert to fraction form
    64,704.71/97,066.62 = 33,132.62/x
  3. Step 3: Cross multiply
    64,704.71x = 97,066.62 × 33,132.62
  4. Step 4: Simplify right side
    64,704.71x = 3,216,070,949.81
  5. Step 5: Solve for x
    x = 3,216,070,949.81/64,704.71
  6. Step 6: Final answer
    x = 49,703.82

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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.