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Finding the Fourth Proportional to 26,303, 39,473.94 and 12,452

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Solution

The fourth proportional to 26,303, 39,473.94 and 12,452 is: 18,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,303 : 39,473.94 = 12,452 : x
  2. Step 2: Convert to fraction form
    26,303/39,473.94 = 12,452/x
  3. Step 3: Cross multiply
    26,303x = 39,473.94 × 12,452
  4. Step 4: Simplify right side
    26,303x = 491,529,500.88
  5. Step 5: Solve for x
    x = 491,529,500.88/26,303
  6. Step 6: Final answer
    x = 18,687.20

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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.