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Finding the Fourth Proportional to 64,455.44, 96,687.79 and 26,977.79

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Solution

The fourth proportional to 64,455.44, 96,687.79 and 26,977.79 is: 40,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.44 : 96,687.79 = 26,977.79 : x
  2. Step 2: Convert to fraction form
    64,455.44/96,687.79 = 26,977.79/x
  3. Step 3: Cross multiply
    64,455.44x = 96,687.79 × 26,977.79
  4. Step 4: Simplify right side
    64,455.44x = 2,608,423,068.46
  5. Step 5: Solve for x
    x = 2,608,423,068.46/64,455.44
  6. Step 6: Final answer
    x = 40,468.63

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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.