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Finding the Fourth Proportional to 18,323.97, 27,485.91 and 6,634.47

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Solution

The fourth proportional to 18,323.97, 27,485.91 and 6,634.47 is: 9,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.97 : 27,485.91 = 6,634.47 : x
  2. Step 2: Convert to fraction form
    18,323.97/27,485.91 = 6,634.47/x
  3. Step 3: Cross multiply
    18,323.97x = 27,485.91 × 6,634.47
  4. Step 4: Simplify right side
    18,323.97x = 182,354,445.32
  5. Step 5: Solve for x
    x = 182,354,445.32/18,323.97
  6. Step 6: Final answer
    x = 9,951.69

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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.