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Finding the Fourth Proportional to 39,401, 54,374.10 and 22,637.96

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Solution

The fourth proportional to 39,401, 54,374.10 and 22,637.96 is: 31,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401 : 54,374.10 = 22,637.96 : x
  2. Step 2: Convert to fraction form
    39,401/54,374.10 = 22,637.96/x
  3. Step 3: Cross multiply
    39,401x = 54,374.10 × 22,637.96
  4. Step 4: Simplify right side
    39,401x = 1,230,918,700.84
  5. Step 5: Solve for x
    x = 1,230,918,700.84/39,401
  6. Step 6: Final answer
    x = 31,240.80

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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.