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Finding the Fourth Proportional to 64,385.79, 96,606.43 and 34,824.44

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Solution

The fourth proportional to 64,385.79, 96,606.43 and 34,824.44 is: 52,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385.79 : 96,606.43 = 34,824.44 : x
  2. Step 2: Convert to fraction form
    64,385.79/96,606.43 = 34,824.44/x
  3. Step 3: Cross multiply
    64,385.79x = 96,606.43 × 34,824.44
  4. Step 4: Simplify right side
    64,385.79x = 3,364,264,825.15
  5. Step 5: Solve for x
    x = 3,364,264,825.15/64,385.79
  6. Step 6: Final answer
    x = 52,251.67

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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.