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Finding the Fourth Proportional to 7,112.76, 10,669.14 and 2,495.76

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Solution

The fourth proportional to 7,112.76, 10,669.14 and 2,495.76 is: 3,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.76 : 10,669.14 = 2,495.76 : x
  2. Step 2: Convert to fraction form
    7,112.76/10,669.14 = 2,495.76/x
  3. Step 3: Cross multiply
    7,112.76x = 10,669.14 × 2,495.76
  4. Step 4: Simplify right side
    7,112.76x = 26,627,612.85
  5. Step 5: Solve for x
    x = 26,627,612.85/7,112.76
  6. Step 6: Final answer
    x = 3,743.64

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Similar ratio
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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.