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Finding the Fourth Proportional to 25,322.70, 37,986.21 and 6,605.22

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Solution

The fourth proportional to 25,322.70, 37,986.21 and 6,605.22 is: 9,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.70 : 37,986.21 = 6,605.22 : x
  2. Step 2: Convert to fraction form
    25,322.70/37,986.21 = 6,605.22/x
  3. Step 3: Cross multiply
    25,322.70x = 37,986.21 × 6,605.22
  4. Step 4: Simplify right side
    25,322.70x = 250,907,274.02
  5. Step 5: Solve for x
    x = 250,907,274.02/25,322.70
  6. Step 6: Final answer
    x = 9,908.39

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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.