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Finding the Fourth Proportional to 25,820.44, 38,734.71 and 11,029.44

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Solution

The fourth proportional to 25,820.44, 38,734.71 and 11,029.44 is: 16,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.44 : 38,734.71 = 11,029.44 : x
  2. Step 2: Convert to fraction form
    25,820.44/38,734.71 = 11,029.44/x
  3. Step 3: Cross multiply
    25,820.44x = 38,734.71 × 11,029.44
  4. Step 4: Simplify right side
    25,820.44x = 427,222,159.86
  5. Step 5: Solve for x
    x = 427,222,159.86/25,820.44
  6. Step 6: Final answer
    x = 16,545.89

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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.