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Finding the Fourth Proportional to 64,370.19, 88,836.09 and 35,692.70

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Solution

The fourth proportional to 64,370.19, 88,836.09 and 35,692.70 is: 49,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.19 : 88,836.09 = 35,692.70 : x
  2. Step 2: Convert to fraction form
    64,370.19/88,836.09 = 35,692.70/x
  3. Step 3: Cross multiply
    64,370.19x = 88,836.09 × 35,692.70
  4. Step 4: Simplify right side
    64,370.19x = 3,170,799,909.54
  5. Step 5: Solve for x
    x = 3,170,799,909.54/64,370.19
  6. Step 6: Final answer
    x = 49,258.82

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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.