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Finding the Fourth Proportional to 30,515.25, 45,773.15 and 10,797.15

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Solution

The fourth proportional to 30,515.25, 45,773.15 and 10,797.15 is: 16,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515.25 : 45,773.15 = 10,797.15 : x
  2. Step 2: Convert to fraction form
    30,515.25/45,773.15 = 10,797.15/x
  3. Step 3: Cross multiply
    30,515.25x = 45,773.15 × 10,797.15
  4. Step 4: Simplify right side
    30,515.25x = 494,219,512.54
  5. Step 5: Solve for x
    x = 494,219,512.54/30,515.25
  6. Step 6: Final answer
    x = 16,195.82

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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.