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Finding the Fourth Proportional to 25,893.77, 38,813.71 and 17,574.46

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Solution

The fourth proportional to 25,893.77, 38,813.71 and 17,574.46 is: 26,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893.77 : 38,813.71 = 17,574.46 : x
  2. Step 2: Convert to fraction form
    25,893.77/38,813.71 = 17,574.46/x
  3. Step 3: Cross multiply
    25,893.77x = 38,813.71 × 17,574.46
  4. Step 4: Simplify right side
    25,893.77x = 682,129,993.85
  5. Step 5: Solve for x
    x = 682,129,993.85/25,893.77
  6. Step 6: Final answer
    x = 26,343.40

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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.