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Finding the Fourth Proportional to 8,362.88, 11,542.40 and 5,530.41

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Solution

The fourth proportional to 8,362.88, 11,542.40 and 5,530.41 is: 7,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.88 : 11,542.40 = 5,530.41 : x
  2. Step 2: Convert to fraction form
    8,362.88/11,542.40 = 5,530.41/x
  3. Step 3: Cross multiply
    8,362.88x = 11,542.40 × 5,530.41
  4. Step 4: Simplify right side
    8,362.88x = 63,834,197.47
  5. Step 5: Solve for x
    x = 63,834,197.47/8,362.88
  6. Step 6: Final answer
    x = 7,633.04

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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.