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Finding the Fourth Proportional to 12,004.49, 16,566.16 and 6,698.99

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Solution

The fourth proportional to 12,004.49, 16,566.16 and 6,698.99 is: 9,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.49 : 16,566.16 = 6,698.99 : x
  2. Step 2: Convert to fraction form
    12,004.49/16,566.16 = 6,698.99/x
  3. Step 3: Cross multiply
    12,004.49x = 16,566.16 × 6,698.99
  4. Step 4: Simplify right side
    12,004.49x = 110,976,540.18
  5. Step 5: Solve for x
    x = 110,976,540.18/12,004.49
  6. Step 6: Final answer
    x = 9,244.59

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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.