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Finding the Fourth Proportional to 7,014.08, 10,520.87 and 1,749.08

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Solution

The fourth proportional to 7,014.08, 10,520.87 and 1,749.08 is: 2,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.08 : 10,520.87 = 1,749.08 : x
  2. Step 2: Convert to fraction form
    7,014.08/10,520.87 = 1,749.08/x
  3. Step 3: Cross multiply
    7,014.08x = 10,520.87 × 1,749.08
  4. Step 4: Simplify right side
    7,014.08x = 18,401,781.95
  5. Step 5: Solve for x
    x = 18,401,781.95/7,014.08
  6. Step 6: Final answer
    x = 2,623.55

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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.