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Finding the Fourth Proportional to 34,448.80, 51,586.80 and 22,698.40

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Solution

The fourth proportional to 34,448.80, 51,586.80 and 22,698.40 is: 33,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,448.80 : 51,586.80 = 22,698.40 : x
  2. Step 2: Convert to fraction form
    34,448.80/51,586.80 = 22,698.40/x
  3. Step 3: Cross multiply
    34,448.80x = 51,586.80 × 22,698.40
  4. Step 4: Simplify right side
    34,448.80x = 1,170,937,821.12
  5. Step 5: Solve for x
    x = 1,170,937,821.12/34,448.80
  6. Step 6: Final answer
    x = 33,990.67

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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.