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Finding the Fourth Proportional to 25,994.41, 38,995.09 and 9,123.41

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Solution

The fourth proportional to 25,994.41, 38,995.09 and 9,123.41 is: 13,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,994.41 : 38,995.09 = 9,123.41 : x
  2. Step 2: Convert to fraction form
    25,994.41/38,995.09 = 9,123.41/x
  3. Step 3: Cross multiply
    25,994.41x = 38,995.09 × 9,123.41
  4. Step 4: Simplify right side
    25,994.41x = 355,768,194.06
  5. Step 5: Solve for x
    x = 355,768,194.06/25,994.41
  6. Step 6: Final answer
    x = 13,686.33

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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.