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Finding the Fourth Proportional to 22,698.30, 34,047.61 and 7,907.50

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Solution

The fourth proportional to 22,698.30, 34,047.61 and 7,907.50 is: 11,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698.30 : 34,047.61 = 7,907.50 : x
  2. Step 2: Convert to fraction form
    22,698.30/34,047.61 = 7,907.50/x
  3. Step 3: Cross multiply
    22,698.30x = 34,047.61 × 7,907.50
  4. Step 4: Simplify right side
    22,698.30x = 269,231,436.54
  5. Step 5: Solve for x
    x = 269,231,436.54/22,698.30
  6. Step 6: Final answer
    x = 11,861.30

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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.