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Finding the Fourth Proportional to 64,622.30, 96,893.76 and 25,133.40

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Solution

The fourth proportional to 64,622.30, 96,893.76 and 25,133.40 is: 37,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,622.30 : 96,893.76 = 25,133.40 : x
  2. Step 2: Convert to fraction form
    64,622.30/96,893.76 = 25,133.40/x
  3. Step 3: Cross multiply
    64,622.30x = 96,893.76 × 25,133.40
  4. Step 4: Simplify right side
    64,622.30x = 2,435,269,627.58
  5. Step 5: Solve for x
    x = 2,435,269,627.58/64,622.30
  6. Step 6: Final answer
    x = 37,684.66

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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.