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Finding the Fourth Proportional to 33,957.70, 46,863.90 and 19,620.32

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Solution

The fourth proportional to 33,957.70, 46,863.90 and 19,620.32 is: 27,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,957.70 : 46,863.90 = 19,620.32 : x
  2. Step 2: Convert to fraction form
    33,957.70/46,863.90 = 19,620.32/x
  3. Step 3: Cross multiply
    33,957.70x = 46,863.90 × 19,620.32
  4. Step 4: Simplify right side
    33,957.70x = 919,484,480.13
  5. Step 5: Solve for x
    x = 919,484,480.13/33,957.70
  6. Step 6: Final answer
    x = 27,077.35

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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.