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Finding the Fourth Proportional to 8,159.22, 11,259.86 and 4,623.16

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Solution

The fourth proportional to 8,159.22, 11,259.86 and 4,623.16 is: 6,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.22 : 11,259.86 = 4,623.16 : x
  2. Step 2: Convert to fraction form
    8,159.22/11,259.86 = 4,623.16/x
  3. Step 3: Cross multiply
    8,159.22x = 11,259.86 × 4,623.16
  4. Step 4: Simplify right side
    8,159.22x = 52,056,134.36
  5. Step 5: Solve for x
    x = 52,056,134.36/8,159.22
  6. Step 6: Final answer
    x = 6,380.04

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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.