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Finding the Fourth Proportional to 30,333.52, 45,504.12 and 11,863.12

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Solution

The fourth proportional to 30,333.52, 45,504.12 and 11,863.12 is: 17,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333.52 : 45,504.12 = 11,863.12 : x
  2. Step 2: Convert to fraction form
    30,333.52/45,504.12 = 11,863.12/x
  3. Step 3: Cross multiply
    30,333.52x = 45,504.12 × 11,863.12
  4. Step 4: Simplify right side
    30,333.52x = 539,820,836.05
  5. Step 5: Solve for x
    x = 539,820,836.05/30,333.52
  6. Step 6: Final answer
    x = 17,796.18

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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.