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Finding the Fourth Proportional to 64,775.79, 97,163.68 and 25,305.22

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Solution

The fourth proportional to 64,775.79, 97,163.68 and 25,305.22 is: 37,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,775.79 : 97,163.68 = 25,305.22 : x
  2. Step 2: Convert to fraction form
    64,775.79/97,163.68 = 25,305.22/x
  3. Step 3: Cross multiply
    64,775.79x = 97,163.68 × 25,305.22
  4. Step 4: Simplify right side
    64,775.79x = 2,458,748,298.41
  5. Step 5: Solve for x
    x = 2,458,748,298.41/64,775.79
  6. Step 6: Final answer
    x = 37,957.83

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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.