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Finding the Fourth Proportional to 18,393.76, 27,594.72 and 6,706.95

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Solution

The fourth proportional to 18,393.76, 27,594.72 and 6,706.95 is: 10,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.76 : 27,594.72 = 6,706.95 : x
  2. Step 2: Convert to fraction form
    18,393.76/27,594.72 = 6,706.95/x
  3. Step 3: Cross multiply
    18,393.76x = 27,594.72 × 6,706.95
  4. Step 4: Simplify right side
    18,393.76x = 185,076,407.30
  5. Step 5: Solve for x
    x = 185,076,407.30/18,393.76
  6. Step 6: Final answer
    x = 10,061.91

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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.