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Finding the Fourth Proportional to 18,393.70, 27,594.66 and 6,706.91

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Solution

The fourth proportional to 18,393.70, 27,594.66 and 6,706.91 is: 10,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.70 : 27,594.66 = 6,706.91 : x
  2. Step 2: Convert to fraction form
    18,393.70/27,594.66 = 6,706.91/x
  3. Step 3: Cross multiply
    18,393.70x = 27,594.66 × 6,706.91
  4. Step 4: Simplify right side
    18,393.70x = 185,074,901.10
  5. Step 5: Solve for x
    x = 185,074,901.10/18,393.70
  6. Step 6: Final answer
    x = 10,061.86

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1.5x scale

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.