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Finding the Fourth Proportional to 7,281.69, 10,048.43 and 4,094.89

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Solution

The fourth proportional to 7,281.69, 10,048.43 and 4,094.89 is: 5,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.69 : 10,048.43 = 4,094.89 : x
  2. Step 2: Convert to fraction form
    7,281.69/10,048.43 = 4,094.89/x
  3. Step 3: Cross multiply
    7,281.69x = 10,048.43 × 4,094.89
  4. Step 4: Simplify right side
    7,281.69x = 41,147,195.05
  5. Step 5: Solve for x
    x = 41,147,195.05/7,281.69
  6. Step 6: Final answer
    x = 5,650.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.