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Finding the Fourth Proportional to 5,986.77, 8,980.76 and 1,604.67

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Solution

The fourth proportional to 5,986.77, 8,980.76 and 1,604.67 is: 2,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.77 : 8,980.76 = 1,604.67 : x
  2. Step 2: Convert to fraction form
    5,986.77/8,980.76 = 1,604.67/x
  3. Step 3: Cross multiply
    5,986.77x = 8,980.76 × 1,604.67
  4. Step 4: Simplify right side
    5,986.77x = 14,411,103.22
  5. Step 5: Solve for x
    x = 14,411,103.22/5,986.77
  6. Step 6: Final answer
    x = 2,407.16

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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.