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Finding the Fourth Proportional to 18,602.62, 27,903.54 and 5,454.70

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Solution

The fourth proportional to 18,602.62, 27,903.54 and 5,454.70 is: 8,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.62 : 27,903.54 = 5,454.70 : x
  2. Step 2: Convert to fraction form
    18,602.62/27,903.54 = 5,454.70/x
  3. Step 3: Cross multiply
    18,602.62x = 27,903.54 × 5,454.70
  4. Step 4: Simplify right side
    18,602.62x = 152,205,390.33
  5. Step 5: Solve for x
    x = 152,205,390.33/18,602.62
  6. Step 6: Final answer
    x = 8,181.93

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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.