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Finding the Fourth Proportional to 7,907.36, 10,910.18 and 4,503.60

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Solution

The fourth proportional to 7,907.36, 10,910.18 and 4,503.60 is: 6,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.36 : 10,910.18 = 4,503.60 : x
  2. Step 2: Convert to fraction form
    7,907.36/10,910.18 = 4,503.60/x
  3. Step 3: Cross multiply
    7,907.36x = 10,910.18 × 4,503.60
  4. Step 4: Simplify right side
    7,907.36x = 49,135,086.65
  5. Step 5: Solve for x
    x = 49,135,086.65/7,907.36
  6. Step 6: Final answer
    x = 6,213.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.