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Finding the Fourth Proportional to 3,548.54, 4,899.08 and 3,154.44

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Solution

The fourth proportional to 3,548.54, 4,899.08 and 3,154.44 is: 4,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.54 : 4,899.08 = 3,154.44 : x
  2. Step 2: Convert to fraction form
    3,548.54/4,899.08 = 3,154.44/x
  3. Step 3: Cross multiply
    3,548.54x = 4,899.08 × 3,154.44
  4. Step 4: Simplify right side
    3,548.54x = 15,453,853.92
  5. Step 5: Solve for x
    x = 15,453,853.92/3,548.54
  6. Step 6: Final answer
    x = 4,354.99

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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.