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Finding the Fourth Proportional to 25,205.99, 37,790.43 and 8,561.55

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Solution

The fourth proportional to 25,205.99, 37,790.43 and 8,561.55 is: 12,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.99 : 37,790.43 = 8,561.55 : x
  2. Step 2: Convert to fraction form
    25,205.99/37,790.43 = 8,561.55/x
  3. Step 3: Cross multiply
    25,205.99x = 37,790.43 × 8,561.55
  4. Step 4: Simplify right side
    25,205.99x = 323,544,467.01
  5. Step 5: Solve for x
    x = 323,544,467.01/25,205.99
  6. Step 6: Final answer
    x = 12,836.02

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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.