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Finding the Fourth Proportional to 18,393.47, 27,602.45 and 6,706.69

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Solution

The fourth proportional to 18,393.47, 27,602.45 and 6,706.69 is: 10,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.47 : 27,602.45 = 6,706.69 : x
  2. Step 2: Convert to fraction form
    18,393.47/27,602.45 = 6,706.69/x
  3. Step 3: Cross multiply
    18,393.47x = 27,602.45 × 6,706.69
  4. Step 4: Simplify right side
    18,393.47x = 185,120,940.32
  5. Step 5: Solve for x
    x = 185,120,940.32/18,393.47
  6. Step 6: Final answer
    x = 10,064.49

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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.