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Finding the Fourth Proportional to 8,683.50, 11,983.22 and 4,704.58

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Solution

The fourth proportional to 8,683.50, 11,983.22 and 4,704.58 is: 6,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.50 : 11,983.22 = 4,704.58 : x
  2. Step 2: Convert to fraction form
    8,683.50/11,983.22 = 4,704.58/x
  3. Step 3: Cross multiply
    8,683.50x = 11,983.22 × 4,704.58
  4. Step 4: Simplify right side
    8,683.50x = 56,375,957.23
  5. Step 5: Solve for x
    x = 56,375,957.23/8,683.50
  6. Step 6: Final answer
    x = 6,492.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.