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Finding the Fourth Proportional to 60,182.84, 90,288.68 and 18,629.84

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Solution

The fourth proportional to 60,182.84, 90,288.68 and 18,629.84 is: 27,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,182.84 : 90,288.68 = 18,629.84 : x
  2. Step 2: Convert to fraction form
    60,182.84/90,288.68 = 18,629.84/x
  3. Step 3: Cross multiply
    60,182.84x = 90,288.68 × 18,629.84
  4. Step 4: Simplify right side
    60,182.84x = 1,682,063,662.21
  5. Step 5: Solve for x
    x = 1,682,063,662.21/60,182.84
  6. Step 6: Final answer
    x = 27,949.22

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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.