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Finding the Fourth Proportional to 64,753.56, 89,360.22 and 36,459.72

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Solution

The fourth proportional to 64,753.56, 89,360.22 and 36,459.72 is: 50,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,753.56 : 89,360.22 = 36,459.72 : x
  2. Step 2: Convert to fraction form
    64,753.56/89,360.22 = 36,459.72/x
  3. Step 3: Cross multiply
    64,753.56x = 89,360.22 × 36,459.72
  4. Step 4: Simplify right side
    64,753.56x = 3,258,048,600.34
  5. Step 5: Solve for x
    x = 3,258,048,600.34/64,753.56
  6. Step 6: Final answer
    x = 50,314.59

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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.