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Finding the Fourth Proportional to 15,104.99, 22,659.79 and 7,705.41

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Solution

The fourth proportional to 15,104.99, 22,659.79 and 7,705.41 is: 11,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.99 : 22,659.79 = 7,705.41 : x
  2. Step 2: Convert to fraction form
    15,104.99/22,659.79 = 7,705.41/x
  3. Step 3: Cross multiply
    15,104.99x = 22,659.79 × 7,705.41
  4. Step 4: Simplify right side
    15,104.99x = 174,603,063.67
  5. Step 5: Solve for x
    x = 174,603,063.67/15,104.99
  6. Step 6: Final answer
    x = 11,559.30

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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.