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Finding the Fourth Proportional to 64,521.73, 89,036.97 and 35,843.25

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Solution

The fourth proportional to 64,521.73, 89,036.97 and 35,843.25 is: 49,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.73 : 89,036.97 = 35,843.25 : x
  2. Step 2: Convert to fraction form
    64,521.73/89,036.97 = 35,843.25/x
  3. Step 3: Cross multiply
    64,521.73x = 89,036.97 × 35,843.25
  4. Step 4: Simplify right side
    64,521.73x = 3,191,374,374.95
  5. Step 5: Solve for x
    x = 3,191,374,374.95/64,521.73
  6. Step 6: Final answer
    x = 49,462.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.