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Finding the Fourth Proportional to 50,787.60, 76,008.60 and 44,566.80

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Solution

The fourth proportional to 50,787.60, 76,008.60 and 44,566.80 is: 66,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787.60 : 76,008.60 = 44,566.80 : x
  2. Step 2: Convert to fraction form
    50,787.60/76,008.60 = 44,566.80/x
  3. Step 3: Cross multiply
    50,787.60x = 76,008.60 × 44,566.80
  4. Step 4: Simplify right side
    50,787.60x = 3,387,460,074.48
  5. Step 5: Solve for x
    x = 3,387,460,074.48/50,787.60
  6. Step 6: Final answer
    x = 66,698.57

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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.