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Finding the Fourth Proportional to 8,251.04, 11,388.56 and 5,602.88

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Solution

The fourth proportional to 8,251.04, 11,388.56 and 5,602.88 is: 7,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.04 : 11,388.56 = 5,602.88 : x
  2. Step 2: Convert to fraction form
    8,251.04/11,388.56 = 5,602.88/x
  3. Step 3: Cross multiply
    8,251.04x = 11,388.56 × 5,602.88
  4. Step 4: Simplify right side
    8,251.04x = 63,808,735.05
  5. Step 5: Solve for x
    x = 63,808,735.05/8,251.04
  6. Step 6: Final answer
    x = 7,733.42

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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.