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Finding the Fourth Proportional to 64,319.22, 88,763.28 and 37,457.39

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Solution

The fourth proportional to 64,319.22, 88,763.28 and 37,457.39 is: 51,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.22 : 88,763.28 = 37,457.39 : x
  2. Step 2: Convert to fraction form
    64,319.22/88,763.28 = 37,457.39/x
  3. Step 3: Cross multiply
    64,319.22x = 88,763.28 × 37,457.39
  4. Step 4: Simplify right side
    64,319.22x = 3,324,840,609.35
  5. Step 5: Solve for x
    x = 3,324,840,609.35/64,319.22
  6. Step 6: Final answer
    x = 51,692.80

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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.