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Finding the Fourth Proportional to 8,458.66, 12,683.99 and 2,533.26

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Solution

The fourth proportional to 8,458.66, 12,683.99 and 2,533.26 is: 3,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.66 : 12,683.99 = 2,533.26 : x
  2. Step 2: Convert to fraction form
    8,458.66/12,683.99 = 2,533.26/x
  3. Step 3: Cross multiply
    8,458.66x = 12,683.99 × 2,533.26
  4. Step 4: Simplify right side
    8,458.66x = 32,131,898.41
  5. Step 5: Solve for x
    x = 32,131,898.41/8,458.66
  6. Step 6: Final answer
    x = 3,798.70

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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.