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Finding the Fourth Proportional to 7,112.34, 10,668.42 and 2,495.34

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Solution

The fourth proportional to 7,112.34, 10,668.42 and 2,495.34 is: 3,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.34 : 10,668.42 = 2,495.34 : x
  2. Step 2: Convert to fraction form
    7,112.34/10,668.42 = 2,495.34/x
  3. Step 3: Cross multiply
    7,112.34x = 10,668.42 × 2,495.34
  4. Step 4: Simplify right side
    7,112.34x = 26,621,335.16
  5. Step 5: Solve for x
    x = 26,621,335.16/7,112.34
  6. Step 6: Final answer
    x = 3,742.98

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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.