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Finding the Fourth Proportional to 64,734.33, 97,124.88 and 22,620.63

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Solution

The fourth proportional to 64,734.33, 97,124.88 and 22,620.63 is: 33,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734.33 : 97,124.88 = 22,620.63 : x
  2. Step 2: Convert to fraction form
    64,734.33/97,124.88 = 22,620.63/x
  3. Step 3: Cross multiply
    64,734.33x = 97,124.88 × 22,620.63
  4. Step 4: Simplify right side
    64,734.33x = 2,197,025,974.27
  5. Step 5: Solve for x
    x = 2,197,025,974.27/64,734.33
  6. Step 6: Final answer
    x = 33,939.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.