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Finding the Fourth Proportional to 33,783.50, 46,621.24 and 18,879.50

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Solution

The fourth proportional to 33,783.50, 46,621.24 and 18,879.50 is: 26,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,783.50 : 46,621.24 = 18,879.50 : x
  2. Step 2: Convert to fraction form
    33,783.50/46,621.24 = 18,879.50/x
  3. Step 3: Cross multiply
    33,783.50x = 46,621.24 × 18,879.50
  4. Step 4: Simplify right side
    33,783.50x = 880,185,700.58
  5. Step 5: Solve for x
    x = 880,185,700.58/33,783.50
  6. Step 6: Final answer
    x = 26,053.72

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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.