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Finding the Fourth Proportional to 64,578.71, 96,865.41 and 22,468.34

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Solution

The fourth proportional to 64,578.71, 96,865.41 and 22,468.34 is: 33,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578.71 : 96,865.41 = 22,468.34 : x
  2. Step 2: Convert to fraction form
    64,578.71/96,865.41 = 22,468.34/x
  3. Step 3: Cross multiply
    64,578.71x = 96,865.41 × 22,468.34
  4. Step 4: Simplify right side
    64,578.71x = 2,176,404,966.12
  5. Step 5: Solve for x
    x = 2,176,404,966.12/64,578.71
  6. Step 6: Final answer
    x = 33,701.59

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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.