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Finding the Fourth Proportional to 46,612.80, 69,919.20 and 33,490.80

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Solution

The fourth proportional to 46,612.80, 69,919.20 and 33,490.80 is: 50,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,612.80 : 69,919.20 = 33,490.80 : x
  2. Step 2: Convert to fraction form
    46,612.80/69,919.20 = 33,490.80/x
  3. Step 3: Cross multiply
    46,612.80x = 69,919.20 × 33,490.80
  4. Step 4: Simplify right side
    46,612.80x = 2,341,649,943.36
  5. Step 5: Solve for x
    x = 2,341,649,943.36/46,612.80
  6. Step 6: Final answer
    x = 50,236.20

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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.