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Finding the Fourth Proportional to 37,841.70, 56,761.94 and 12,899.12

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Solution

The fourth proportional to 37,841.70, 56,761.94 and 12,899.12 is: 19,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,841.70 : 56,761.94 = 12,899.12 : x
  2. Step 2: Convert to fraction form
    37,841.70/56,761.94 = 12,899.12/x
  3. Step 3: Cross multiply
    37,841.70x = 56,761.94 × 12,899.12
  4. Step 4: Simplify right side
    37,841.70x = 732,178,727.19
  5. Step 5: Solve for x
    x = 732,178,727.19/37,841.70
  6. Step 6: Final answer
    x = 19,348.46

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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.