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Finding the Fourth Proportional to 64,239.81, 96,397.69 and 35,800.51

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Solution

The fourth proportional to 64,239.81, 96,397.69 and 35,800.51 is: 53,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,239.81 : 96,397.69 = 35,800.51 : x
  2. Step 2: Convert to fraction form
    64,239.81/96,397.69 = 35,800.51/x
  3. Step 3: Cross multiply
    64,239.81x = 96,397.69 × 35,800.51
  4. Step 4: Simplify right side
    64,239.81x = 3,451,086,464.82
  5. Step 5: Solve for x
    x = 3,451,086,464.82/64,239.81
  6. Step 6: Final answer
    x = 53,721.93

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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.