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Finding the Fourth Proportional to 34,659.78, 51,992.85 and 9,699.76

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Solution

The fourth proportional to 34,659.78, 51,992.85 and 9,699.76 is: 14,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.78 : 51,992.85 = 9,699.76 : x
  2. Step 2: Convert to fraction form
    34,659.78/51,992.85 = 9,699.76/x
  3. Step 3: Cross multiply
    34,659.78x = 51,992.85 × 9,699.76
  4. Step 4: Simplify right side
    34,659.78x = 504,318,166.72
  5. Step 5: Solve for x
    x = 504,318,166.72/34,659.78
  6. Step 6: Final answer
    x = 14,550.53

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1.5x scale

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.