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Finding the Fourth Proportional to 2,849.46, 4,274.61 and 901.63

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Solution

The fourth proportional to 2,849.46, 4,274.61 and 901.63 is: 1,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.46 : 4,274.61 = 901.63 : x
  2. Step 2: Convert to fraction form
    2,849.46/4,274.61 = 901.63/x
  3. Step 3: Cross multiply
    2,849.46x = 4,274.61 × 901.63
  4. Step 4: Simplify right side
    2,849.46x = 3,854,116.61
  5. Step 5: Solve for x
    x = 3,854,116.61/2,849.46
  6. Step 6: Final answer
    x = 1,352.58

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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.