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Finding the Fourth Proportional to 64,836.92, 97,299.12 and 25,389.11

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Solution

The fourth proportional to 64,836.92, 97,299.12 and 25,389.11 is: 38,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.92 : 97,299.12 = 25,389.11 : x
  2. Step 2: Convert to fraction form
    64,836.92/97,299.12 = 25,389.11/x
  3. Step 3: Cross multiply
    64,836.92x = 97,299.12 × 25,389.11
  4. Step 4: Simplify right side
    64,836.92x = 2,470,337,574.09
  5. Step 5: Solve for x
    x = 2,470,337,574.09/64,836.92
  6. Step 6: Final answer
    x = 38,100.79

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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.