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Finding the Fourth Proportional to 37,006.70, 55,518.15 and 18,295.70

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Solution

The fourth proportional to 37,006.70, 55,518.15 and 18,295.70 is: 27,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,006.70 : 55,518.15 = 18,295.70 : x
  2. Step 2: Convert to fraction form
    37,006.70/55,518.15 = 18,295.70/x
  3. Step 3: Cross multiply
    37,006.70x = 55,518.15 × 18,295.70
  4. Step 4: Simplify right side
    37,006.70x = 1,015,743,416.96
  5. Step 5: Solve for x
    x = 1,015,743,416.96/37,006.70
  6. Step 6: Final answer
    x = 27,447.55

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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.