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Finding the Fourth Proportional to 64,393.14, 96,574.88 and 17,649.66

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Solution

The fourth proportional to 64,393.14, 96,574.88 and 17,649.66 is: 26,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.14 : 96,574.88 = 17,649.66 : x
  2. Step 2: Convert to fraction form
    64,393.14/96,574.88 = 17,649.66/x
  3. Step 3: Cross multiply
    64,393.14x = 96,574.88 × 17,649.66
  4. Step 4: Simplify right side
    64,393.14x = 1,704,513,796.54
  5. Step 5: Solve for x
    x = 1,704,513,796.54/64,393.14
  6. Step 6: Final answer
    x = 26,470.43

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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.