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Finding the Fourth Proportional to 9,014.49, 13,520.67 and 2,774.49

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Solution

The fourth proportional to 9,014.49, 13,520.67 and 2,774.49 is: 4,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.49 : 13,520.67 = 2,774.49 : x
  2. Step 2: Convert to fraction form
    9,014.49/13,520.67 = 2,774.49/x
  3. Step 3: Cross multiply
    9,014.49x = 13,520.67 × 2,774.49
  4. Step 4: Simplify right side
    9,014.49x = 37,512,963.71
  5. Step 5: Solve for x
    x = 37,512,963.71/9,014.49
  6. Step 6: Final answer
    x = 4,161.41

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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.