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Finding the Fourth Proportional to 25,993.59, 38,959.47 and 11,941.71

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Solution

The fourth proportional to 25,993.59, 38,959.47 and 11,941.71 is: 17,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,993.59 : 38,959.47 = 11,941.71 : x
  2. Step 2: Convert to fraction form
    25,993.59/38,959.47 = 11,941.71/x
  3. Step 3: Cross multiply
    25,993.59x = 38,959.47 × 11,941.71
  4. Step 4: Simplify right side
    25,993.59x = 465,242,692.49
  5. Step 5: Solve for x
    x = 465,242,692.49/25,993.59
  6. Step 6: Final answer
    x = 17,898.36

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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.