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Finding the Fourth Proportional to 25,263.63, 34,863.03 and 13,933.11

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Solution

The fourth proportional to 25,263.63, 34,863.03 and 13,933.11 is: 19,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,263.63 : 34,863.03 = 13,933.11 : x
  2. Step 2: Convert to fraction form
    25,263.63/34,863.03 = 13,933.11/x
  3. Step 3: Cross multiply
    25,263.63x = 34,863.03 × 13,933.11
  4. Step 4: Simplify right side
    25,263.63x = 485,750,431.92
  5. Step 5: Solve for x
    x = 485,750,431.92/25,263.63
  6. Step 6: Final answer
    x = 19,227.26

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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.