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Finding the Fourth Proportional to 7,113.98, 10,671.26 and 2,671.19

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Solution

The fourth proportional to 7,113.98, 10,671.26 and 2,671.19 is: 4,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.98 : 10,671.26 = 2,671.19 : x
  2. Step 2: Convert to fraction form
    7,113.98/10,671.26 = 2,671.19/x
  3. Step 3: Cross multiply
    7,113.98x = 10,671.26 × 2,671.19
  4. Step 4: Simplify right side
    7,113.98x = 28,504,963.00
  5. Step 5: Solve for x
    x = 28,504,963.00/7,113.98
  6. Step 6: Final answer
    x = 4,006.89

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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.