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Finding the Fourth Proportional to 54,246.60, 81,369.90 and 50,963.40

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Solution

The fourth proportional to 54,246.60, 81,369.90 and 50,963.40 is: 76,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,246.60 : 81,369.90 = 50,963.40 : x
  2. Step 2: Convert to fraction form
    54,246.60/81,369.90 = 50,963.40/x
  3. Step 3: Cross multiply
    54,246.60x = 81,369.90 × 50,963.40
  4. Step 4: Simplify right side
    54,246.60x = 4,146,886,761.66
  5. Step 5: Solve for x
    x = 4,146,886,761.66/54,246.60
  6. Step 6: Final answer
    x = 76,445.10

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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.