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Finding the Fourth Proportional to 66,304.44, 99,412.92 and 26,815.32

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Solution

The fourth proportional to 66,304.44, 99,412.92 and 26,815.32 is: 40,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.44 : 99,412.92 = 26,815.32 : x
  2. Step 2: Convert to fraction form
    66,304.44/99,412.92 = 26,815.32/x
  3. Step 3: Cross multiply
    66,304.44x = 99,412.92 × 26,815.32
  4. Step 4: Simplify right side
    66,304.44x = 2,665,789,261.93
  5. Step 5: Solve for x
    x = 2,665,789,261.93/66,304.44
  6. Step 6: Final answer
    x = 40,205.29

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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.