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Finding the Fourth Proportional to 64,868.73, 97,339.54 and 35,288.63

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Solution

The fourth proportional to 64,868.73, 97,339.54 and 35,288.63 is: 52,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,868.73 : 97,339.54 = 35,288.63 : x
  2. Step 2: Convert to fraction form
    64,868.73/97,339.54 = 35,288.63/x
  3. Step 3: Cross multiply
    64,868.73x = 97,339.54 × 35,288.63
  4. Step 4: Simplify right side
    64,868.73x = 3,434,979,011.43
  5. Step 5: Solve for x
    x = 3,434,979,011.43/64,868.73
  6. Step 6: Final answer
    x = 52,952.78

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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.