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Finding the Fourth Proportional to 6,472.69, 8,926.80 and 5,469.30

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Solution

The fourth proportional to 6,472.69, 8,926.80 and 5,469.30 is: 7,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.69 : 8,926.80 = 5,469.30 : x
  2. Step 2: Convert to fraction form
    6,472.69/8,926.80 = 5,469.30/x
  3. Step 3: Cross multiply
    6,472.69x = 8,926.80 × 5,469.30
  4. Step 4: Simplify right side
    6,472.69x = 48,823,347.24
  5. Step 5: Solve for x
    x = 48,823,347.24/6,472.69
  6. Step 6: Final answer
    x = 7,542.98

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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.