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Finding the Fourth Proportional to 11,789.52, 17,670.04 and 5,208.24

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Solution

The fourth proportional to 11,789.52, 17,670.04 and 5,208.24 is: 7,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.52 : 17,670.04 = 5,208.24 : x
  2. Step 2: Convert to fraction form
    11,789.52/17,670.04 = 5,208.24/x
  3. Step 3: Cross multiply
    11,789.52x = 17,670.04 × 5,208.24
  4. Step 4: Simplify right side
    11,789.52x = 92,029,809.13
  5. Step 5: Solve for x
    x = 92,029,809.13/11,789.52
  6. Step 6: Final answer
    x = 7,806.07

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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.