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Finding the Fourth Proportional to 30,558.87, 45,844.81 and 9,498.41

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Solution

The fourth proportional to 30,558.87, 45,844.81 and 9,498.41 is: 14,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.87 : 45,844.81 = 9,498.41 : x
  2. Step 2: Convert to fraction form
    30,558.87/45,844.81 = 9,498.41/x
  3. Step 3: Cross multiply
    30,558.87x = 45,844.81 × 9,498.41
  4. Step 4: Simplify right side
    30,558.87x = 435,452,720.70
  5. Step 5: Solve for x
    x = 435,452,720.70/30,558.87
  6. Step 6: Final answer
    x = 14,249.63

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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.