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Finding the Fourth Proportional to 11,941.52, 16,479.16 and 6,636.22

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Solution

The fourth proportional to 11,941.52, 16,479.16 and 6,636.22 is: 9,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.52 : 16,479.16 = 6,636.22 : x
  2. Step 2: Convert to fraction form
    11,941.52/16,479.16 = 6,636.22/x
  3. Step 3: Cross multiply
    11,941.52x = 16,479.16 × 6,636.22
  4. Step 4: Simplify right side
    11,941.52x = 109,359,331.18
  5. Step 5: Solve for x
    x = 109,359,331.18/11,941.52
  6. Step 6: Final answer
    x = 9,157.91

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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.