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Finding the Fourth Proportional to 7,373.36, 11,037.96 and 7,110.80

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Solution

The fourth proportional to 7,373.36, 11,037.96 and 7,110.80 is: 10,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.36 : 11,037.96 = 7,110.80 : x
  2. Step 2: Convert to fraction form
    7,373.36/11,037.96 = 7,110.80/x
  3. Step 3: Cross multiply
    7,373.36x = 11,037.96 × 7,110.80
  4. Step 4: Simplify right side
    7,373.36x = 78,488,725.97
  5. Step 5: Solve for x
    x = 78,488,725.97/7,373.36
  6. Step 6: Final answer
    x = 10,644.91

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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.