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Finding the Fourth Proportional to 53,401.96, 80,098.08 and 13,958.20

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Solution

The fourth proportional to 53,401.96, 80,098.08 and 13,958.20 is: 20,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.96 : 80,098.08 = 13,958.20 : x
  2. Step 2: Convert to fraction form
    53,401.96/80,098.08 = 13,958.20/x
  3. Step 3: Cross multiply
    53,401.96x = 80,098.08 × 13,958.20
  4. Step 4: Simplify right side
    53,401.96x = 1,118,025,020.26
  5. Step 5: Solve for x
    x = 1,118,025,020.26/53,401.96
  6. Step 6: Final answer
    x = 20,936.03

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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.