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Finding the Fourth Proportional to 25,994.94, 38,992.41 and 8,466.54

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Solution

The fourth proportional to 25,994.94, 38,992.41 and 8,466.54 is: 12,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,994.94 : 38,992.41 = 8,466.54 : x
  2. Step 2: Convert to fraction form
    25,994.94/38,992.41 = 8,466.54/x
  3. Step 3: Cross multiply
    25,994.94x = 38,992.41 × 8,466.54
  4. Step 4: Simplify right side
    25,994.94x = 330,130,798.96
  5. Step 5: Solve for x
    x = 330,130,798.96/25,994.94
  6. Step 6: Final answer
    x = 12,699.81

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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.