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Finding the Fourth Proportional to 64,961.01, 89,598.87 and 49,682.07

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Solution

The fourth proportional to 64,961.01, 89,598.87 and 49,682.07 is: 68,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,961.01 : 89,598.87 = 49,682.07 : x
  2. Step 2: Convert to fraction form
    64,961.01/89,598.87 = 49,682.07/x
  3. Step 3: Cross multiply
    64,961.01x = 89,598.87 × 49,682.07
  4. Step 4: Simplify right side
    64,961.01x = 4,451,457,331.26
  5. Step 5: Solve for x
    x = 4,451,457,331.26/64,961.01
  6. Step 6: Final answer
    x = 68,525.06

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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.