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Finding the Fourth Proportional to 8,611.74, 11,892.24 and 5,592.06

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Solution

The fourth proportional to 8,611.74, 11,892.24 and 5,592.06 is: 7,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.74 : 11,892.24 = 5,592.06 : x
  2. Step 2: Convert to fraction form
    8,611.74/11,892.24 = 5,592.06/x
  3. Step 3: Cross multiply
    8,611.74x = 11,892.24 × 5,592.06
  4. Step 4: Simplify right side
    8,611.74x = 66,502,119.61
  5. Step 5: Solve for x
    x = 66,502,119.61/8,611.74
  6. Step 6: Final answer
    x = 7,722.26

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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.