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Finding the Fourth Proportional to 11,636.48, 17,445.12 and 10,984.48

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Solution

The fourth proportional to 11,636.48, 17,445.12 and 10,984.48 is: 16,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.48 : 17,445.12 = 10,984.48 : x
  2. Step 2: Convert to fraction form
    11,636.48/17,445.12 = 10,984.48/x
  3. Step 3: Cross multiply
    11,636.48x = 17,445.12 × 10,984.48
  4. Step 4: Simplify right side
    11,636.48x = 191,625,571.74
  5. Step 5: Solve for x
    x = 191,625,571.74/11,636.48
  6. Step 6: Final answer
    x = 16,467.66

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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.