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Finding the Fourth Proportional to 37,997.56, 52,435.56 and 21,230.56

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Solution

The fourth proportional to 37,997.56, 52,435.56 and 21,230.56 is: 29,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,997.56 : 52,435.56 = 21,230.56 : x
  2. Step 2: Convert to fraction form
    37,997.56/52,435.56 = 21,230.56/x
  3. Step 3: Cross multiply
    37,997.56x = 52,435.56 × 21,230.56
  4. Step 4: Simplify right side
    37,997.56x = 1,113,236,302.71
  5. Step 5: Solve for x
    x = 1,113,236,302.71/37,997.56
  6. Step 6: Final answer
    x = 29,297.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.