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Finding the Fourth Proportional to 64,984.77, 97,508.15 and 35,401.95

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Solution

The fourth proportional to 64,984.77, 97,508.15 and 35,401.95 is: 53,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.77 : 97,508.15 = 35,401.95 : x
  2. Step 2: Convert to fraction form
    64,984.77/97,508.15 = 35,401.95/x
  3. Step 3: Cross multiply
    64,984.77x = 97,508.15 × 35,401.95
  4. Step 4: Simplify right side
    64,984.77x = 3,451,978,473.88
  5. Step 5: Solve for x
    x = 3,451,978,473.88/64,984.77
  6. Step 6: Final answer
    x = 53,119.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.