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Finding the Fourth Proportional to 64,304.82, 96,480.44 and 34,287.49

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Solution

The fourth proportional to 64,304.82, 96,480.44 and 34,287.49 is: 51,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,304.82 : 96,480.44 = 34,287.49 : x
  2. Step 2: Convert to fraction form
    64,304.82/96,480.44 = 34,287.49/x
  3. Step 3: Cross multiply
    64,304.82x = 96,480.44 × 34,287.49
  4. Step 4: Simplify right side
    64,304.82x = 3,308,071,943.22
  5. Step 5: Solve for x
    x = 3,308,071,943.22/64,304.82
  6. Step 6: Final answer
    x = 51,443.60

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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.