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Finding the Fourth Proportional to 60,674.94, 91,012.41 and 19,121.94

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Solution

The fourth proportional to 60,674.94, 91,012.41 and 19,121.94 is: 28,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,674.94 : 91,012.41 = 19,121.94 : x
  2. Step 2: Convert to fraction form
    60,674.94/91,012.41 = 19,121.94/x
  3. Step 3: Cross multiply
    60,674.94x = 91,012.41 × 19,121.94
  4. Step 4: Simplify right side
    60,674.94x = 1,740,333,843.28
  5. Step 5: Solve for x
    x = 1,740,333,843.28/60,674.94
  6. Step 6: Final answer
    x = 28,682.91

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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.