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Finding the Fourth Proportional to 9,093.60, 13,611.60 and 6,501.60

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Solution

The fourth proportional to 9,093.60, 13,611.60 and 6,501.60 is: 9,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,093.60 : 13,611.60 = 6,501.60 : x
  2. Step 2: Convert to fraction form
    9,093.60/13,611.60 = 6,501.60/x
  3. Step 3: Cross multiply
    9,093.60x = 13,611.60 × 6,501.60
  4. Step 4: Simplify right side
    9,093.60x = 88,497,178.56
  5. Step 5: Solve for x
    x = 88,497,178.56/9,093.60
  6. Step 6: Final answer
    x = 9,731.81

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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.