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Finding the Fourth Proportional to 64,383.68, 88,842.36 and 35,702.62

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Solution

The fourth proportional to 64,383.68, 88,842.36 and 35,702.62 is: 49,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.68 : 88,842.36 = 35,702.62 : x
  2. Step 2: Convert to fraction form
    64,383.68/88,842.36 = 35,702.62/x
  3. Step 3: Cross multiply
    64,383.68x = 88,842.36 × 35,702.62
  4. Step 4: Simplify right side
    64,383.68x = 3,171,905,018.98
  5. Step 5: Solve for x
    x = 3,171,905,018.98/64,383.68
  6. Step 6: Final answer
    x = 49,265.67

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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.