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Finding the Fourth Proportional to 64,744.59, 97,140.21 and 22,630.87

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Solution

The fourth proportional to 64,744.59, 97,140.21 and 22,630.87 is: 33,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,744.59 : 97,140.21 = 22,630.87 : x
  2. Step 2: Convert to fraction form
    64,744.59/97,140.21 = 22,630.87/x
  3. Step 3: Cross multiply
    64,744.59x = 97,140.21 × 22,630.87
  4. Step 4: Simplify right side
    64,744.59x = 2,198,367,464.28
  5. Step 5: Solve for x
    x = 2,198,367,464.28/64,744.59
  6. Step 6: Final answer
    x = 33,954.46

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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.