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Finding the Fourth Proportional to 25,288.98, 37,933.44 and 8,649.18

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Solution

The fourth proportional to 25,288.98, 37,933.44 and 8,649.18 is: 12,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.98 : 37,933.44 = 8,649.18 : x
  2. Step 2: Convert to fraction form
    25,288.98/37,933.44 = 8,649.18/x
  3. Step 3: Cross multiply
    25,288.98x = 37,933.44 × 8,649.18
  4. Step 4: Simplify right side
    25,288.98x = 328,093,150.58
  5. Step 5: Solve for x
    x = 328,093,150.58/25,288.98
  6. Step 6: Final answer
    x = 12,973.76

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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.