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Finding the Fourth Proportional to 65,771.72, 98,658.30 and 52,607.24

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Solution

The fourth proportional to 65,771.72, 98,658.30 and 52,607.24 is: 78,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,771.72 : 98,658.30 = 52,607.24 : x
  2. Step 2: Convert to fraction form
    65,771.72/98,658.30 = 52,607.24/x
  3. Step 3: Cross multiply
    65,771.72x = 98,658.30 × 52,607.24
  4. Step 4: Simplify right side
    65,771.72x = 5,190,140,866.09
  5. Step 5: Solve for x
    x = 5,190,140,866.09/65,771.72
  6. Step 6: Final answer
    x = 78,911.44

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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.