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Finding the Fourth Proportional to 17,683.60, 26,525.02 and 8,318.43

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Solution

The fourth proportional to 17,683.60, 26,525.02 and 8,318.43 is: 12,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.60 : 26,525.02 = 8,318.43 : x
  2. Step 2: Convert to fraction form
    17,683.60/26,525.02 = 8,318.43/x
  3. Step 3: Cross multiply
    17,683.60x = 26,525.02 × 8,318.43
  4. Step 4: Simplify right side
    17,683.60x = 220,646,522.12
  5. Step 5: Solve for x
    x = 220,646,522.12/17,683.60
  6. Step 6: Final answer
    x = 12,477.47

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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.