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Finding the Fourth Proportional to 64,921.93, 97,324.11 and 25,468.45

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Solution

The fourth proportional to 64,921.93, 97,324.11 and 25,468.45 is: 38,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,921.93 : 97,324.11 = 25,468.45 : x
  2. Step 2: Convert to fraction form
    64,921.93/97,324.11 = 25,468.45/x
  3. Step 3: Cross multiply
    64,921.93x = 97,324.11 × 25,468.45
  4. Step 4: Simplify right side
    64,921.93x = 2,478,693,742.71
  5. Step 5: Solve for x
    x = 2,478,693,742.71/64,921.93
  6. Step 6: Final answer
    x = 38,179.61

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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.