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Finding the Fourth Proportional to 64,319.22, 88,763.25 and 37,457.40

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Solution

The fourth proportional to 64,319.22, 88,763.25 and 37,457.40 is: 51,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.22 : 88,763.25 = 37,457.40 : x
  2. Step 2: Convert to fraction form
    64,319.22/88,763.25 = 37,457.40/x
  3. Step 3: Cross multiply
    64,319.22x = 88,763.25 × 37,457.40
  4. Step 4: Simplify right side
    64,319.22x = 3,324,840,560.55
  5. Step 5: Solve for x
    x = 3,324,840,560.55/64,319.22
  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.