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Finding the Fourth Proportional to 8,809.52, 13,214.32 and 2,235.70

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Solution

The fourth proportional to 8,809.52, 13,214.32 and 2,235.70 is: 3,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.52 : 13,214.32 = 2,235.70 : x
  2. Step 2: Convert to fraction form
    8,809.52/13,214.32 = 2,235.70/x
  3. Step 3: Cross multiply
    8,809.52x = 13,214.32 × 2,235.70
  4. Step 4: Simplify right side
    8,809.52x = 29,543,255.22
  5. Step 5: Solve for x
    x = 29,543,255.22/8,809.52
  6. Step 6: Final answer
    x = 3,353.56

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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.