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Finding the Fourth Proportional to 64,890.61, 97,348.88 and 27,450.52

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Solution

The fourth proportional to 64,890.61, 97,348.88 and 27,450.52 is: 41,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.61 : 97,348.88 = 27,450.52 : x
  2. Step 2: Convert to fraction form
    64,890.61/97,348.88 = 27,450.52/x
  3. Step 3: Cross multiply
    64,890.61x = 97,348.88 × 27,450.52
  4. Step 4: Simplify right side
    64,890.61x = 2,672,277,202.67
  5. Step 5: Solve for x
    x = 2,672,277,202.67/64,890.61
  6. Step 6: Final answer
    x = 41,181.26

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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.