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Finding the Fourth Proportional to 6,992.76, 10,487.70 and 3,094.68

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Solution

The fourth proportional to 6,992.76, 10,487.70 and 3,094.68 is: 4,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.76 : 10,487.70 = 3,094.68 : x
  2. Step 2: Convert to fraction form
    6,992.76/10,487.70 = 3,094.68/x
  3. Step 3: Cross multiply
    6,992.76x = 10,487.70 × 3,094.68
  4. Step 4: Simplify right side
    6,992.76x = 32,456,075.44
  5. Step 5: Solve for x
    x = 32,456,075.44/6,992.76
  6. Step 6: Final answer
    x = 4,641.38

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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.