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Finding the Fourth Proportional to 64,702.44, 96,954.84 and 43,564.41

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Solution

The fourth proportional to 64,702.44, 96,954.84 and 43,564.41 is: 65,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,702.44 : 96,954.84 = 43,564.41 : x
  2. Step 2: Convert to fraction form
    64,702.44/96,954.84 = 43,564.41/x
  3. Step 3: Cross multiply
    64,702.44x = 96,954.84 × 43,564.41
  4. Step 4: Simplify right side
    64,702.44x = 4,223,780,401.24
  5. Step 5: Solve for x
    x = 4,223,780,401.24/64,702.44
  6. Step 6: Final answer
    x = 65,280.08

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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.