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Finding the Fourth Proportional to 12,534.38, 17,297.50 and 6,945.38

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Solution

The fourth proportional to 12,534.38, 17,297.50 and 6,945.38 is: 9,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.38 : 17,297.50 = 6,945.38 : x
  2. Step 2: Convert to fraction form
    12,534.38/17,297.50 = 6,945.38/x
  3. Step 3: Cross multiply
    12,534.38x = 17,297.50 × 6,945.38
  4. Step 4: Simplify right side
    12,534.38x = 120,137,710.55
  5. Step 5: Solve for x
    x = 120,137,710.55/12,534.38
  6. Step 6: Final answer
    x = 9,584.66

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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.