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Finding the Fourth Proportional to 11,999.97, 16,566.10 and 7,528.23

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Solution

The fourth proportional to 11,999.97, 16,566.10 and 7,528.23 is: 10,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.97 : 16,566.10 = 7,528.23 : x
  2. Step 2: Convert to fraction form
    11,999.97/16,566.10 = 7,528.23/x
  3. Step 3: Cross multiply
    11,999.97x = 16,566.10 × 7,528.23
  4. Step 4: Simplify right side
    11,999.97x = 124,713,392.18
  5. Step 5: Solve for x
    x = 124,713,392.18/11,999.97
  6. Step 6: Final answer
    x = 10,392.81

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Similar ratio
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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.