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Finding the Fourth Proportional to 64,932.93, 89,607.51 and 36,641.25

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Solution

The fourth proportional to 64,932.93, 89,607.51 and 36,641.25 is: 50,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,932.93 : 89,607.51 = 36,641.25 : x
  2. Step 2: Convert to fraction form
    64,932.93/89,607.51 = 36,641.25/x
  3. Step 3: Cross multiply
    64,932.93x = 89,607.51 × 36,641.25
  4. Step 4: Simplify right side
    64,932.93x = 3,283,331,175.79
  5. Step 5: Solve for x
    x = 3,283,331,175.79/64,932.93
  6. Step 6: Final answer
    x = 50,564.96

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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.