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Finding the Fourth Proportional to 8,889.75, 13,338.95 and 5,962.28

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Solution

The fourth proportional to 8,889.75, 13,338.95 and 5,962.28 is: 8,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.75 : 13,338.95 = 5,962.28 : x
  2. Step 2: Convert to fraction form
    8,889.75/13,338.95 = 5,962.28/x
  3. Step 3: Cross multiply
    8,889.75x = 13,338.95 × 5,962.28
  4. Step 4: Simplify right side
    8,889.75x = 79,530,458.30
  5. Step 5: Solve for x
    x = 79,530,458.30/8,889.75
  6. Step 6: Final answer
    x = 8,946.31

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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.