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Finding the Fourth Proportional to 5,012.16, 6,917.60 and 2,995.84

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Solution

The fourth proportional to 5,012.16, 6,917.60 and 2,995.84 is: 4,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.16 : 6,917.60 = 2,995.84 : x
  2. Step 2: Convert to fraction form
    5,012.16/6,917.60 = 2,995.84/x
  3. Step 3: Cross multiply
    5,012.16x = 6,917.60 × 2,995.84
  4. Step 4: Simplify right side
    5,012.16x = 20,724,022.78
  5. Step 5: Solve for x
    x = 20,724,022.78/5,012.16
  6. Step 6: Final answer
    x = 4,134.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.