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Finding the Fourth Proportional to 64,399.88, 96,600.18 and 29,315

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Solution

The fourth proportional to 64,399.88, 96,600.18 and 29,315 is: 43,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.88 : 96,600.18 = 29,315 : x
  2. Step 2: Convert to fraction form
    64,399.88/96,600.18 = 29,315/x
  3. Step 3: Cross multiply
    64,399.88x = 96,600.18 × 29,315
  4. Step 4: Simplify right side
    64,399.88x = 2,831,834,276.70
  5. Step 5: Solve for x
    x = 2,831,834,276.70/64,399.88
  6. Step 6: Final answer
    x = 43,972.66

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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.