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Finding the Fourth Proportional to 64,851.54, 89,496.50 and 36,557.22

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Solution

The fourth proportional to 64,851.54, 89,496.50 and 36,557.22 is: 50,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,851.54 : 89,496.50 = 36,557.22 : x
  2. Step 2: Convert to fraction form
    64,851.54/89,496.50 = 36,557.22/x
  3. Step 3: Cross multiply
    64,851.54x = 89,496.50 × 36,557.22
  4. Step 4: Simplify right side
    64,851.54x = 3,271,743,239.73
  5. Step 5: Solve for x
    x = 3,271,743,239.73/64,851.54
  6. Step 6: Final answer
    x = 50,449.74

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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.