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Finding the Fourth Proportional to 27,907.98, 41,880.60 and 10,379.58

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Solution

The fourth proportional to 27,907.98, 41,880.60 and 10,379.58 is: 15,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.98 : 41,880.60 = 10,379.58 : x
  2. Step 2: Convert to fraction form
    27,907.98/41,880.60 = 10,379.58/x
  3. Step 3: Cross multiply
    27,907.98x = 41,880.60 × 10,379.58
  4. Step 4: Simplify right side
    27,907.98x = 434,703,038.15
  5. Step 5: Solve for x
    x = 434,703,038.15/27,907.98
  6. Step 6: Final answer
    x = 15,576.30

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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.