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Finding the Fourth Proportional to 30,372.84, 41,918.16 and 17,797.58

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Solution

The fourth proportional to 30,372.84, 41,918.16 and 17,797.58 is: 24,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.84 : 41,918.16 = 17,797.58 : x
  2. Step 2: Convert to fraction form
    30,372.84/41,918.16 = 17,797.58/x
  3. Step 3: Cross multiply
    30,372.84x = 41,918.16 × 17,797.58
  4. Step 4: Simplify right side
    30,372.84x = 746,041,806.05
  5. Step 5: Solve for x
    x = 746,041,806.05/30,372.84
  6. Step 6: Final answer
    x = 24,562.79

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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.