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Finding the Fourth Proportional to 5,980.19, 8,986.68 and 5,640.52

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Solution

The fourth proportional to 5,980.19, 8,986.68 and 5,640.52 is: 8,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.19 : 8,986.68 = 5,640.52 : x
  2. Step 2: Convert to fraction form
    5,980.19/8,986.68 = 5,640.52/x
  3. Step 3: Cross multiply
    5,980.19x = 8,986.68 × 5,640.52
  4. Step 4: Simplify right side
    5,980.19x = 50,689,525.81
  5. Step 5: Solve for x
    x = 50,689,525.81/5,980.19
  6. Step 6: Final answer
    x = 8,476.24

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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.