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Finding the Fourth Proportional to 64,599.80, 89,122.41 and 47,644.74

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Solution

The fourth proportional to 64,599.80, 89,122.41 and 47,644.74 is: 65,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,599.80 : 89,122.41 = 47,644.74 : x
  2. Step 2: Convert to fraction form
    64,599.80/89,122.41 = 47,644.74/x
  3. Step 3: Cross multiply
    64,599.80x = 89,122.41 × 47,644.74
  4. Step 4: Simplify right side
    64,599.80x = 4,246,214,052.62
  5. Step 5: Solve for x
    x = 4,246,214,052.62/64,599.80
  6. Step 6: Final answer
    x = 65,731.08

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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.