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Finding the Fourth Proportional to 5,782.86, 8,679.15 and 3,010.50

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Solution

The fourth proportional to 5,782.86, 8,679.15 and 3,010.50 is: 4,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.86 : 8,679.15 = 3,010.50 : x
  2. Step 2: Convert to fraction form
    5,782.86/8,679.15 = 3,010.50/x
  3. Step 3: Cross multiply
    5,782.86x = 8,679.15 × 3,010.50
  4. Step 4: Simplify right side
    5,782.86x = 26,128,581.08
  5. Step 5: Solve for x
    x = 26,128,581.08/5,782.86
  6. Step 6: Final answer
    x = 4,518.28

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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.