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Finding the Fourth Proportional to 64,812.62, 89,439.80 and 37,593.52

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Solution

The fourth proportional to 64,812.62, 89,439.80 and 37,593.52 is: 51,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812.62 : 89,439.80 = 37,593.52 : x
  2. Step 2: Convert to fraction form
    64,812.62/89,439.80 = 37,593.52/x
  3. Step 3: Cross multiply
    64,812.62x = 89,439.80 × 37,593.52
  4. Step 4: Simplify right side
    64,812.62x = 3,362,356,498.53
  5. Step 5: Solve for x
    x = 3,362,356,498.53/64,812.62
  6. Step 6: Final answer
    x = 51,878.11

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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.