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Finding the Fourth Proportional to 8,042.40, 12,063.15 and 2,495.70

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Solution

The fourth proportional to 8,042.40, 12,063.15 and 2,495.70 is: 3,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.40 : 12,063.15 = 2,495.70 : x
  2. Step 2: Convert to fraction form
    8,042.40/12,063.15 = 2,495.70/x
  3. Step 3: Cross multiply
    8,042.40x = 12,063.15 × 2,495.70
  4. Step 4: Simplify right side
    8,042.40x = 30,106,003.46
  5. Step 5: Solve for x
    x = 30,106,003.46/8,042.40
  6. Step 6: Final answer
    x = 3,743.41

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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.