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Finding the Fourth Proportional to 64,484.46, 96,668.30 and 22,921.74

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Solution

The fourth proportional to 64,484.46, 96,668.30 and 22,921.74 is: 34,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,484.46 : 96,668.30 = 22,921.74 : x
  2. Step 2: Convert to fraction form
    64,484.46/96,668.30 = 22,921.74/x
  3. Step 3: Cross multiply
    64,484.46x = 96,668.30 × 22,921.74
  4. Step 4: Simplify right side
    64,484.46x = 2,215,805,638.84
  5. Step 5: Solve for x
    x = 2,215,805,638.84/64,484.46
  6. Step 6: Final answer
    x = 34,361.85

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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.