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Finding the Fourth Proportional to 64,389.64, 96,560.80 and 22,258.92

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Solution

The fourth proportional to 64,389.64, 96,560.80 and 22,258.92 is: 33,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389.64 : 96,560.80 = 22,258.92 : x
  2. Step 2: Convert to fraction form
    64,389.64/96,560.80 = 22,258.92/x
  3. Step 3: Cross multiply
    64,389.64x = 96,560.80 × 22,258.92
  4. Step 4: Simplify right side
    64,389.64x = 2,149,339,122.34
  5. Step 5: Solve for x
    x = 2,149,339,122.34/64,389.64
  6. Step 6: Final answer
    x = 33,380.20

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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.