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Finding the Fourth Proportional to 64,698.62, 96,990.20 and 25,246.56

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Solution

The fourth proportional to 64,698.62, 96,990.20 and 25,246.56 is: 37,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,698.62 : 96,990.20 = 25,246.56 : x
  2. Step 2: Convert to fraction form
    64,698.62/96,990.20 = 25,246.56/x
  3. Step 3: Cross multiply
    64,698.62x = 96,990.20 × 25,246.56
  4. Step 4: Simplify right side
    64,698.62x = 2,448,668,903.71
  5. Step 5: Solve for x
    x = 2,448,668,903.71/64,698.62
  6. Step 6: Final answer
    x = 37,847.31

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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.