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Finding the Fourth Proportional to 64,832.58, 89,477.73 and 37,985.81

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Solution

The fourth proportional to 64,832.58, 89,477.73 and 37,985.81 is: 52,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,832.58 : 89,477.73 = 37,985.81 : x
  2. Step 2: Convert to fraction form
    64,832.58/89,477.73 = 37,985.81/x
  3. Step 3: Cross multiply
    64,832.58x = 89,477.73 × 37,985.81
  4. Step 4: Simplify right side
    64,832.58x = 3,398,883,603.62
  5. Step 5: Solve for x
    x = 3,398,883,603.62/64,832.58
  6. Step 6: Final answer
    x = 52,425.55

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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.