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Finding the Fourth Proportional to 5,722.86, 8,582.76 and 2,024.64

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Solution

The fourth proportional to 5,722.86, 8,582.76 and 2,024.64 is: 3,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.86 : 8,582.76 = 2,024.64 : x
  2. Step 2: Convert to fraction form
    5,722.86/8,582.76 = 2,024.64/x
  3. Step 3: Cross multiply
    5,722.86x = 8,582.76 × 2,024.64
  4. Step 4: Simplify right side
    5,722.86x = 17,376,999.21
  5. Step 5: Solve for x
    x = 17,376,999.21/5,722.86
  6. Step 6: Final answer
    x = 3,036.42

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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.