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Finding the Fourth Proportional to 32,785.80, 49,185.94 and 19,470.90

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Solution

The fourth proportional to 32,785.80, 49,185.94 and 19,470.90 is: 29,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.80 : 49,185.94 = 19,470.90 : x
  2. Step 2: Convert to fraction form
    32,785.80/49,185.94 = 19,470.90/x
  3. Step 3: Cross multiply
    32,785.80x = 49,185.94 × 19,470.90
  4. Step 4: Simplify right side
    32,785.80x = 957,694,519.15
  5. Step 5: Solve for x
    x = 957,694,519.15/32,785.80
  6. Step 6: Final answer
    x = 29,210.65

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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.