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Finding the Fourth Proportional to 30,963.99, 46,414.16 and 12,236.39

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Solution

The fourth proportional to 30,963.99, 46,414.16 and 12,236.39 is: 18,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,963.99 : 46,414.16 = 12,236.39 : x
  2. Step 2: Convert to fraction form
    30,963.99/46,414.16 = 12,236.39/x
  3. Step 3: Cross multiply
    30,963.99x = 46,414.16 × 12,236.39
  4. Step 4: Simplify right side
    30,963.99x = 567,941,763.28
  5. Step 5: Solve for x
    x = 567,941,763.28/30,963.99
  6. Step 6: Final answer
    x = 18,342.01

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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.