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Finding the Fourth Proportional to 2,895.68, 3,996.12 and 1,775.97

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Solution

The fourth proportional to 2,895.68, 3,996.12 and 1,775.97 is: 2,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.68 : 3,996.12 = 1,775.97 : x
  2. Step 2: Convert to fraction form
    2,895.68/3,996.12 = 1,775.97/x
  3. Step 3: Cross multiply
    2,895.68x = 3,996.12 × 1,775.97
  4. Step 4: Simplify right side
    2,895.68x = 7,096,989.24
  5. Step 5: Solve for x
    x = 7,096,989.24/2,895.68
  6. Step 6: Final answer
    x = 2,450.89

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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.