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Finding the Fourth Proportional to 10,611.58, 15,893.11 and 5,068.82

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Solution

The fourth proportional to 10,611.58, 15,893.11 and 5,068.82 is: 7,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.58 : 15,893.11 = 5,068.82 : x
  2. Step 2: Convert to fraction form
    10,611.58/15,893.11 = 5,068.82/x
  3. Step 3: Cross multiply
    10,611.58x = 15,893.11 × 5,068.82
  4. Step 4: Simplify right side
    10,611.58x = 80,559,313.83
  5. Step 5: Solve for x
    x = 80,559,313.83/10,611.58
  6. Step 6: Final answer
    x = 7,591.64

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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.