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Finding the Fourth Proportional to 60,687.90, 90,813.15 and 41,004.90

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Solution

The fourth proportional to 60,687.90, 90,813.15 and 41,004.90 is: 61,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687.90 : 90,813.15 = 41,004.90 : x
  2. Step 2: Convert to fraction form
    60,687.90/90,813.15 = 41,004.90/x
  3. Step 3: Cross multiply
    60,687.90x = 90,813.15 × 41,004.90
  4. Step 4: Simplify right side
    60,687.90x = 3,723,784,134.44
  5. Step 5: Solve for x
    x = 3,723,784,134.44/60,687.90
  6. Step 6: Final answer
    x = 61,359.58

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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.