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Finding the Fourth Proportional to 8,816.16, 12,150.32 and 8,563.44

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Solution

The fourth proportional to 8,816.16, 12,150.32 and 8,563.44 is: 11,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.16 : 12,150.32 = 8,563.44 : x
  2. Step 2: Convert to fraction form
    8,816.16/12,150.32 = 8,563.44/x
  3. Step 3: Cross multiply
    8,816.16x = 12,150.32 × 8,563.44
  4. Step 4: Simplify right side
    8,816.16x = 104,048,536.30
  5. Step 5: Solve for x
    x = 104,048,536.30/8,816.16
  6. Step 6: Final answer
    x = 11,802.02

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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.