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Finding the Fourth Proportional to 37,996.80, 56,998.44 and 9,920.58

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Solution

The fourth proportional to 37,996.80, 56,998.44 and 9,920.58 is: 14,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,996.80 : 56,998.44 = 9,920.58 : x
  2. Step 2: Convert to fraction form
    37,996.80/56,998.44 = 9,920.58/x
  3. Step 3: Cross multiply
    37,996.80x = 56,998.44 × 9,920.58
  4. Step 4: Simplify right side
    37,996.80x = 565,457,583.90
  5. Step 5: Solve for x
    x = 565,457,583.90/37,996.80
  6. Step 6: Final answer
    x = 14,881.72

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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.