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Finding the Fourth Proportional to 7,107.53, 10,661.22 and 2,427.49

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Solution

The fourth proportional to 7,107.53, 10,661.22 and 2,427.49 is: 3,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.53 : 10,661.22 = 2,427.49 : x
  2. Step 2: Convert to fraction form
    7,107.53/10,661.22 = 2,427.49/x
  3. Step 3: Cross multiply
    7,107.53x = 10,661.22 × 2,427.49
  4. Step 4: Simplify right side
    7,107.53x = 25,879,951.63
  5. Step 5: Solve for x
    x = 25,879,951.63/7,107.53
  6. Step 6: Final answer
    x = 3,641.20

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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.