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Finding the Fourth Proportional to 8,906.36, 13,353.06 and 5,446.04

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Solution

The fourth proportional to 8,906.36, 13,353.06 and 5,446.04 is: 8,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.36 : 13,353.06 = 5,446.04 : x
  2. Step 2: Convert to fraction form
    8,906.36/13,353.06 = 5,446.04/x
  3. Step 3: Cross multiply
    8,906.36x = 13,353.06 × 5,446.04
  4. Step 4: Simplify right side
    8,906.36x = 72,721,298.88
  5. Step 5: Solve for x
    x = 72,721,298.88/8,906.36
  6. Step 6: Final answer
    x = 8,165.10

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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.