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Finding the Fourth Proportional to 7,574.52, 11,354.75 and 6,951.63

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Solution

The fourth proportional to 7,574.52, 11,354.75 and 6,951.63 is: 10,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.52 : 11,354.75 = 6,951.63 : x
  2. Step 2: Convert to fraction form
    7,574.52/11,354.75 = 6,951.63/x
  3. Step 3: Cross multiply
    7,574.52x = 11,354.75 × 6,951.63
  4. Step 4: Simplify right side
    7,574.52x = 78,933,985.98
  5. Step 5: Solve for x
    x = 78,933,985.98/7,574.52
  6. Step 6: Final answer
    x = 10,420.99

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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.