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Finding the Fourth Proportional to 27,071.76, 40,611.44 and 8,353.30

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Solution

The fourth proportional to 27,071.76, 40,611.44 and 8,353.30 is: 12,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,071.76 : 40,611.44 = 8,353.30 : x
  2. Step 2: Convert to fraction form
    27,071.76/40,611.44 = 8,353.30/x
  3. Step 3: Cross multiply
    27,071.76x = 40,611.44 × 8,353.30
  4. Step 4: Simplify right side
    27,071.76x = 339,239,541.75
  5. Step 5: Solve for x
    x = 339,239,541.75/27,071.76
  6. Step 6: Final answer
    x = 12,531.12

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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.