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Finding the Fourth Proportional to 64,057.68, 96,046.74 and 26,643.96

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Solution

The fourth proportional to 64,057.68, 96,046.74 and 26,643.96 is: 39,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,057.68 : 96,046.74 = 26,643.96 : x
  2. Step 2: Convert to fraction form
    64,057.68/96,046.74 = 26,643.96/x
  3. Step 3: Cross multiply
    64,057.68x = 96,046.74 × 26,643.96
  4. Step 4: Simplify right side
    64,057.68x = 2,559,065,498.69
  5. Step 5: Solve for x
    x = 2,559,065,498.69/64,057.68
  6. Step 6: Final answer
    x = 39,949.39

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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.