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Finding the Fourth Proportional to 33,422.40, 46,121.40 and 19,274.40

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Solution

The fourth proportional to 33,422.40, 46,121.40 and 19,274.40 is: 26,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.40 : 46,121.40 = 19,274.40 : x
  2. Step 2: Convert to fraction form
    33,422.40/46,121.40 = 19,274.40/x
  3. Step 3: Cross multiply
    33,422.40x = 46,121.40 × 19,274.40
  4. Step 4: Simplify right side
    33,422.40x = 888,962,312.16
  5. Step 5: Solve for x
    x = 888,962,312.16/33,422.40
  6. Step 6: Final answer
    x = 26,597.80

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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.