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Finding the Fourth Proportional to 30,548.03, 45,821.99 and 8,361.59

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Solution

The fourth proportional to 30,548.03, 45,821.99 and 8,361.59 is: 12,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548.03 : 45,821.99 = 8,361.59 : x
  2. Step 2: Convert to fraction form
    30,548.03/45,821.99 = 8,361.59/x
  3. Step 3: Cross multiply
    30,548.03x = 45,821.99 × 8,361.59
  4. Step 4: Simplify right side
    30,548.03x = 383,144,422.45
  5. Step 5: Solve for x
    x = 383,144,422.45/30,548.03
  6. Step 6: Final answer
    x = 12,542.36

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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.