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Finding the Fourth Proportional to 4,942.16, 7,415.16 and 2,995.76

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Solution

The fourth proportional to 4,942.16, 7,415.16 and 2,995.76 is: 4,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.16 : 7,415.16 = 2,995.76 : x
  2. Step 2: Convert to fraction form
    4,942.16/7,415.16 = 2,995.76/x
  3. Step 3: Cross multiply
    4,942.16x = 7,415.16 × 2,995.76
  4. Step 4: Simplify right side
    4,942.16x = 22,214,039.72
  5. Step 5: Solve for x
    x = 22,214,039.72/4,942.16
  6. Step 6: Final answer
    x = 4,494.80

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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.