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Finding the Fourth Proportional to 8,843.42, 12,203.36 and 5,308.58

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Solution

The fourth proportional to 8,843.42, 12,203.36 and 5,308.58 is: 7,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.42 : 12,203.36 = 5,308.58 : x
  2. Step 2: Convert to fraction form
    8,843.42/12,203.36 = 5,308.58/x
  3. Step 3: Cross multiply
    8,843.42x = 12,203.36 × 5,308.58
  4. Step 4: Simplify right side
    8,843.42x = 64,782,451.81
  5. Step 5: Solve for x
    x = 64,782,451.81/8,843.42
  6. Step 6: Final answer
    x = 7,325.50

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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.