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Finding the Fourth Proportional to 69,787.71, 96,304.26 and 37,956.63

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Solution

The fourth proportional to 69,787.71, 96,304.26 and 37,956.63 is: 52,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,787.71 : 96,304.26 = 37,956.63 : x
  2. Step 2: Convert to fraction form
    69,787.71/96,304.26 = 37,956.63/x
  3. Step 3: Cross multiply
    69,787.71x = 96,304.26 × 37,956.63
  4. Step 4: Simplify right side
    69,787.71x = 3,655,385,164.24
  5. Step 5: Solve for x
    x = 3,655,385,164.24/69,787.71
  6. Step 6: Final answer
    x = 52,378.64

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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.