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Finding the Fourth Proportional to 18,175.84, 25,082.64 and 10,627.36

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Solution

The fourth proportional to 18,175.84, 25,082.64 and 10,627.36 is: 14,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.84 : 25,082.64 = 10,627.36 : x
  2. Step 2: Convert to fraction form
    18,175.84/25,082.64 = 10,627.36/x
  3. Step 3: Cross multiply
    18,175.84x = 25,082.64 × 10,627.36
  4. Step 4: Simplify right side
    18,175.84x = 266,562,245.03
  5. Step 5: Solve for x
    x = 266,562,245.03/18,175.84
  6. Step 6: Final answer
    x = 14,665.75

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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.