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Finding the Fourth Proportional to 64,900.73, 97,313.84 and 25,411.61

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Solution

The fourth proportional to 64,900.73, 97,313.84 and 25,411.61 is: 38,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,900.73 : 97,313.84 = 25,411.61 : x
  2. Step 2: Convert to fraction form
    64,900.73/97,313.84 = 25,411.61/x
  3. Step 3: Cross multiply
    64,900.73x = 97,313.84 × 25,411.61
  4. Step 4: Simplify right side
    64,900.73x = 2,472,901,222.62
  5. Step 5: Solve for x
    x = 2,472,901,222.62/64,900.73
  6. Step 6: Final answer
    x = 38,102.83

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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.