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Finding the Fourth Proportional to 7,295.03, 10,940.70 and 2,100.90

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Solution

The fourth proportional to 7,295.03, 10,940.70 and 2,100.90 is: 3,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.03 : 10,940.70 = 2,100.90 : x
  2. Step 2: Convert to fraction form
    7,295.03/10,940.70 = 2,100.90/x
  3. Step 3: Cross multiply
    7,295.03x = 10,940.70 × 2,100.90
  4. Step 4: Simplify right side
    7,295.03x = 22,985,316.63
  5. Step 5: Solve for x
    x = 22,985,316.63/7,295.03
  6. Step 6: Final answer
    x = 3,150.82

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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.