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Finding the Fourth Proportional to 2,881.45, 4,325.17 and 2,554.48

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Solution

The fourth proportional to 2,881.45, 4,325.17 and 2,554.48 is: 3,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.45 : 4,325.17 = 2,554.48 : x
  2. Step 2: Convert to fraction form
    2,881.45/4,325.17 = 2,554.48/x
  3. Step 3: Cross multiply
    2,881.45x = 4,325.17 × 2,554.48
  4. Step 4: Simplify right side
    2,881.45x = 11,048,538.64
  5. Step 5: Solve for x
    x = 11,048,538.64/2,881.45
  6. Step 6: Final answer
    x = 3,834.37

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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.