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Finding the Fourth Proportional to 11,465.44, 17,191.08 and 7,511.86

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Solution

The fourth proportional to 11,465.44, 17,191.08 and 7,511.86 is: 11,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.44 : 17,191.08 = 7,511.86 : x
  2. Step 2: Convert to fraction form
    11,465.44/17,191.08 = 7,511.86/x
  3. Step 3: Cross multiply
    11,465.44x = 17,191.08 × 7,511.86
  4. Step 4: Simplify right side
    11,465.44x = 129,136,986.21
  5. Step 5: Solve for x
    x = 129,136,986.21/11,465.44
  6. Step 6: Final answer
    x = 11,263.15

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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.