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Finding the Fourth Proportional to 22,698.55, 34,047.98 and 7,907.75

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Solution

The fourth proportional to 22,698.55, 34,047.98 and 7,907.75 is: 11,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698.55 : 34,047.98 = 7,907.75 : x
  2. Step 2: Convert to fraction form
    22,698.55/34,047.98 = 7,907.75/x
  3. Step 3: Cross multiply
    22,698.55x = 34,047.98 × 7,907.75
  4. Step 4: Simplify right side
    22,698.55x = 269,242,861.40
  5. Step 5: Solve for x
    x = 269,242,861.40/22,698.55
  6. Step 6: Final answer
    x = 11,861.68

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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.