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Finding the Fourth Proportional to 2,849.54, 4,274.47 and 901.60

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Solution

The fourth proportional to 2,849.54, 4,274.47 and 901.60 is: 1,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.54 : 4,274.47 = 901.60 : x
  2. Step 2: Convert to fraction form
    2,849.54/4,274.47 = 901.60/x
  3. Step 3: Cross multiply
    2,849.54x = 4,274.47 × 901.60
  4. Step 4: Simplify right side
    2,849.54x = 3,853,849.21
  5. Step 5: Solve for x
    x = 3,853,849.21/2,849.54
  6. Step 6: Final answer
    x = 1,352.44

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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.