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Finding the Fourth Proportional to 11,503.69, 17,255.50 and 3,606.82

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Solution

The fourth proportional to 11,503.69, 17,255.50 and 3,606.82 is: 5,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.69 : 17,255.50 = 3,606.82 : x
  2. Step 2: Convert to fraction form
    11,503.69/17,255.50 = 3,606.82/x
  3. Step 3: Cross multiply
    11,503.69x = 17,255.50 × 3,606.82
  4. Step 4: Simplify right side
    11,503.69x = 62,237,430.35
  5. Step 5: Solve for x
    x = 62,237,430.35/11,503.69
  6. Step 6: Final answer
    x = 5,410.22

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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.