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Finding the Fourth Proportional to 5,683.63, 8,525.45 and 1,984.87

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Solution

The fourth proportional to 5,683.63, 8,525.45 and 1,984.87 is: 2,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.63 : 8,525.45 = 1,984.87 : x
  2. Step 2: Convert to fraction form
    5,683.63/8,525.45 = 1,984.87/x
  3. Step 3: Cross multiply
    5,683.63x = 8,525.45 × 1,984.87
  4. Step 4: Simplify right side
    5,683.63x = 16,921,909.94
  5. Step 5: Solve for x
    x = 16,921,909.94/5,683.63
  6. Step 6: Final answer
    x = 2,977.31

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Similar ratio
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1.5x scale

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.