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Finding the Fourth Proportional to 12,760.50, 17,609.52 and 7,095.60

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Solution

The fourth proportional to 12,760.50, 17,609.52 and 7,095.60 is: 9,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.50 : 17,609.52 = 7,095.60 : x
  2. Step 2: Convert to fraction form
    12,760.50/17,609.52 = 7,095.60/x
  3. Step 3: Cross multiply
    12,760.50x = 17,609.52 × 7,095.60
  4. Step 4: Simplify right side
    12,760.50x = 124,950,110.11
  5. Step 5: Solve for x
    x = 124,950,110.11/12,760.50
  6. Step 6: Final answer
    x = 9,791.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.