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Finding the Fourth Proportional to 22,700.70, 34,040.23 and 7,907.80

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Solution

The fourth proportional to 22,700.70, 34,040.23 and 7,907.80 is: 11,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.70 : 34,040.23 = 7,907.80 : x
  2. Step 2: Convert to fraction form
    22,700.70/34,040.23 = 7,907.80/x
  3. Step 3: Cross multiply
    22,700.70x = 34,040.23 × 7,907.80
  4. Step 4: Simplify right side
    22,700.70x = 269,183,330.79
  5. Step 5: Solve for x
    x = 269,183,330.79/22,700.70
  6. Step 6: Final answer
    x = 11,857.93

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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.