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Finding the Fourth Proportional to 8,767.59, 13,156.37 and 3,220.22

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Solution

The fourth proportional to 8,767.59, 13,156.37 and 3,220.22 is: 4,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.59 : 13,156.37 = 3,220.22 : x
  2. Step 2: Convert to fraction form
    8,767.59/13,156.37 = 3,220.22/x
  3. Step 3: Cross multiply
    8,767.59x = 13,156.37 × 3,220.22
  4. Step 4: Simplify right side
    8,767.59x = 42,366,405.80
  5. Step 5: Solve for x
    x = 42,366,405.80/8,767.59
  6. Step 6: Final answer
    x = 4,832.16

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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.