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Finding the Fourth Proportional to 64,074.74, 96,119.79 and 26,660.12

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Solution

The fourth proportional to 64,074.74, 96,119.79 and 26,660.12 is: 39,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.74 : 96,119.79 = 26,660.12 : x
  2. Step 2: Convert to fraction form
    64,074.74/96,119.79 = 26,660.12/x
  3. Step 3: Cross multiply
    64,074.74x = 96,119.79 × 26,660.12
  4. Step 4: Simplify right side
    64,074.74x = 2,562,564,655.18
  5. Step 5: Solve for x
    x = 2,562,564,655.18/64,074.74
  6. Step 6: Final answer
    x = 39,993.37

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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.