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Finding the Fourth Proportional to 25,177, 34,744.98 and 13,999.72

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Solution

The fourth proportional to 25,177, 34,744.98 and 13,999.72 is: 19,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177 : 34,744.98 = 13,999.72 : x
  2. Step 2: Convert to fraction form
    25,177/34,744.98 = 13,999.72/x
  3. Step 3: Cross multiply
    25,177x = 34,744.98 × 13,999.72
  4. Step 4: Simplify right side
    25,177x = 486,419,991.41
  5. Step 5: Solve for x
    x = 486,419,991.41/25,177
  6. Step 6: Final answer
    x = 19,320.01

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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.