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Finding the Fourth Proportional to 9,013.52, 13,520.31 and 2,773.49

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Solution

The fourth proportional to 9,013.52, 13,520.31 and 2,773.49 is: 4,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.52 : 13,520.31 = 2,773.49 : x
  2. Step 2: Convert to fraction form
    9,013.52/13,520.31 = 2,773.49/x
  3. Step 3: Cross multiply
    9,013.52x = 13,520.31 × 2,773.49
  4. Step 4: Simplify right side
    9,013.52x = 37,498,444.58
  5. Step 5: Solve for x
    x = 37,498,444.58/9,013.52
  6. Step 6: Final answer
    x = 4,160.24

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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.