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Finding the Fourth Proportional to 37,370.70, 56,120.85 and 19,874.70

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Solution

The fourth proportional to 37,370.70, 56,120.85 and 19,874.70 is: 29,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,370.70 : 56,120.85 = 19,874.70 : x
  2. Step 2: Convert to fraction form
    37,370.70/56,120.85 = 19,874.70/x
  3. Step 3: Cross multiply
    37,370.70x = 56,120.85 × 19,874.70
  4. Step 4: Simplify right side
    37,370.70x = 1,115,385,057.50
  5. Step 5: Solve for x
    x = 1,115,385,057.50/37,370.70
  6. Step 6: Final answer
    x = 29,846.51

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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.