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Finding the Fourth Proportional to 19,599, 27,046.64 and 11,215.52

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Solution

The fourth proportional to 19,599, 27,046.64 and 11,215.52 is: 15,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599 : 27,046.64 = 11,215.52 : x
  2. Step 2: Convert to fraction form
    19,599/27,046.64 = 11,215.52/x
  3. Step 3: Cross multiply
    19,599x = 27,046.64 × 11,215.52
  4. Step 4: Simplify right side
    19,599x = 303,342,131.85
  5. Step 5: Solve for x
    x = 303,342,131.85/19,599
  6. Step 6: Final answer
    x = 15,477.43

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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.