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Finding the Fourth Proportional to 7,112.58, 10,669.05 and 2,495.58

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Solution

The fourth proportional to 7,112.58, 10,669.05 and 2,495.58 is: 3,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.58 : 10,669.05 = 2,495.58 : x
  2. Step 2: Convert to fraction form
    7,112.58/10,669.05 = 2,495.58/x
  3. Step 3: Cross multiply
    7,112.58x = 10,669.05 × 2,495.58
  4. Step 4: Simplify right side
    7,112.58x = 26,625,467.80
  5. Step 5: Solve for x
    x = 26,625,467.80/7,112.58
  6. Step 6: Final answer
    x = 3,743.43

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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.