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Finding the Fourth Proportional to 58,585.42, 80,787.41 and 50,115.58

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Solution

The fourth proportional to 58,585.42, 80,787.41 and 50,115.58 is: 69,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585.42 : 80,787.41 = 50,115.58 : x
  2. Step 2: Convert to fraction form
    58,585.42/80,787.41 = 50,115.58/x
  3. Step 3: Cross multiply
    58,585.42x = 80,787.41 × 50,115.58
  4. Step 4: Simplify right side
    58,585.42x = 4,048,707,855.66
  5. Step 5: Solve for x
    x = 4,048,707,855.66/58,585.42
  6. Step 6: Final answer
    x = 69,107.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.