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Finding the Fourth Proportional to 22,038.08, 33,064.80 and 8,191.04

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Solution

The fourth proportional to 22,038.08, 33,064.80 and 8,191.04 is: 12,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.08 : 33,064.80 = 8,191.04 : x
  2. Step 2: Convert to fraction form
    22,038.08/33,064.80 = 8,191.04/x
  3. Step 3: Cross multiply
    22,038.08x = 33,064.80 × 8,191.04
  4. Step 4: Simplify right side
    22,038.08x = 270,835,099.39
  5. Step 5: Solve for x
    x = 270,835,099.39/22,038.08
  6. Step 6: Final answer
    x = 12,289.41

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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.