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Finding the Fourth Proportional to 7,316.76, 10,968.60 and 2,698.68

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Solution

The fourth proportional to 7,316.76, 10,968.60 and 2,698.68 is: 4,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.76 : 10,968.60 = 2,698.68 : x
  2. Step 2: Convert to fraction form
    7,316.76/10,968.60 = 2,698.68/x
  3. Step 3: Cross multiply
    7,316.76x = 10,968.60 × 2,698.68
  4. Step 4: Simplify right side
    7,316.76x = 29,600,741.45
  5. Step 5: Solve for x
    x = 29,600,741.45/7,316.76
  6. Step 6: Final answer
    x = 4,045.61

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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.