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Finding the Fourth Proportional to 18,283.58, 25,231.16 and 10,325.63

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Solution

The fourth proportional to 18,283.58, 25,231.16 and 10,325.63 is: 14,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.58 : 25,231.16 = 10,325.63 : x
  2. Step 2: Convert to fraction form
    18,283.58/25,231.16 = 10,325.63/x
  3. Step 3: Cross multiply
    18,283.58x = 25,231.16 × 10,325.63
  4. Step 4: Simplify right side
    18,283.58x = 260,527,711.52
  5. Step 5: Solve for x
    x = 260,527,711.52/18,283.58
  6. Step 6: Final answer
    x = 14,249.27

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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.