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Finding the Fourth Proportional to 64,404.57, 96,569.19 and 29,325.09

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Solution

The fourth proportional to 64,404.57, 96,569.19 and 29,325.09 is: 43,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,404.57 : 96,569.19 = 29,325.09 : x
  2. Step 2: Convert to fraction form
    64,404.57/96,569.19 = 29,325.09/x
  3. Step 3: Cross multiply
    64,404.57x = 96,569.19 × 29,325.09
  4. Step 4: Simplify right side
    64,404.57x = 2,831,900,187.98
  5. Step 5: Solve for x
    x = 2,831,900,187.98/64,404.57
  6. Step 6: Final answer
    x = 43,970.49

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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.