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Finding the Fourth Proportional to 18,325.71, 25,290.02 and 10,369.22

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Solution

The fourth proportional to 18,325.71, 25,290.02 and 10,369.22 is: 14,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.71 : 25,290.02 = 10,369.22 : x
  2. Step 2: Convert to fraction form
    18,325.71/25,290.02 = 10,369.22/x
  3. Step 3: Cross multiply
    18,325.71x = 25,290.02 × 10,369.22
  4. Step 4: Simplify right side
    18,325.71x = 262,237,680.66
  5. Step 5: Solve for x
    x = 262,237,680.66/18,325.71
  6. Step 6: Final answer
    x = 14,309.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.