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Finding the Fourth Proportional to 26,252.40, 39,393 and 12,401.04

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Solution

The fourth proportional to 26,252.40, 39,393 and 12,401.04 is: 18,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,252.40 : 39,393 = 12,401.04 : x
  2. Step 2: Convert to fraction form
    26,252.40/39,393 = 12,401.04/x
  3. Step 3: Cross multiply
    26,252.40x = 39,393 × 12,401.04
  4. Step 4: Simplify right side
    26,252.40x = 488,514,168.72
  5. Step 5: Solve for x
    x = 488,514,168.72/26,252.40
  6. Step 6: Final answer
    x = 18,608.36

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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.