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Finding the Fourth Proportional to 50,804.70, 76,077.45 and 40,436.70

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Solution

The fourth proportional to 50,804.70, 76,077.45 and 40,436.70 is: 60,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.70 : 76,077.45 = 40,436.70 : x
  2. Step 2: Convert to fraction form
    50,804.70/76,077.45 = 40,436.70/x
  3. Step 3: Cross multiply
    50,804.70x = 76,077.45 × 40,436.70
  4. Step 4: Simplify right side
    50,804.70x = 3,076,321,022.42
  5. Step 5: Solve for x
    x = 3,076,321,022.42/50,804.70
  6. Step 6: Final answer
    x = 60,551.90

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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.