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Finding the Fourth Proportional to 6,178.52, 9,267.78 and 2,715.52

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Solution

The fourth proportional to 6,178.52, 9,267.78 and 2,715.52 is: 4,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.52 : 9,267.78 = 2,715.52 : x
  2. Step 2: Convert to fraction form
    6,178.52/9,267.78 = 2,715.52/x
  3. Step 3: Cross multiply
    6,178.52x = 9,267.78 × 2,715.52
  4. Step 4: Simplify right side
    6,178.52x = 25,166,841.95
  5. Step 5: Solve for x
    x = 25,166,841.95/6,178.52
  6. Step 6: Final answer
    x = 4,073.28

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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.