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Finding the Fourth Proportional to 5,661.77, 8,483.64 and 3,806.06

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Solution

The fourth proportional to 5,661.77, 8,483.64 and 3,806.06 is: 5,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.77 : 8,483.64 = 3,806.06 : x
  2. Step 2: Convert to fraction form
    5,661.77/8,483.64 = 3,806.06/x
  3. Step 3: Cross multiply
    5,661.77x = 8,483.64 × 3,806.06
  4. Step 4: Simplify right side
    5,661.77x = 32,289,242.86
  5. Step 5: Solve for x
    x = 32,289,242.86/5,661.77
  6. Step 6: Final answer
    x = 5,703.03

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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.