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Finding the Fourth Proportional to 64,558, 96,840.65 and 23,005

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Solution

The fourth proportional to 64,558, 96,840.65 and 23,005 is: 34,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558 : 96,840.65 = 23,005 : x
  2. Step 2: Convert to fraction form
    64,558/96,840.65 = 23,005/x
  3. Step 3: Cross multiply
    64,558x = 96,840.65 × 23,005
  4. Step 4: Simplify right side
    64,558x = 2,227,819,153.25
  5. Step 5: Solve for x
    x = 2,227,819,153.25/64,558
  6. Step 6: Final answer
    x = 34,508.80

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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.