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Finding the Fourth Proportional to 26,168.52, 39,252.78 and 7,700.52

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Solution

The fourth proportional to 26,168.52, 39,252.78 and 7,700.52 is: 11,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.52 : 39,252.78 = 7,700.52 : x
  2. Step 2: Convert to fraction form
    26,168.52/39,252.78 = 7,700.52/x
  3. Step 3: Cross multiply
    26,168.52x = 39,252.78 × 7,700.52
  4. Step 4: Simplify right side
    26,168.52x = 302,266,817.45
  5. Step 5: Solve for x
    x = 302,266,817.45/26,168.52
  6. Step 6: Final answer
    x = 11,550.78

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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.