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Finding the Fourth Proportional to 5,074.94, 7,003.10 and 2,950.31

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Solution

The fourth proportional to 5,074.94, 7,003.10 and 2,950.31 is: 4,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.94 : 7,003.10 = 2,950.31 : x
  2. Step 2: Convert to fraction form
    5,074.94/7,003.10 = 2,950.31/x
  3. Step 3: Cross multiply
    5,074.94x = 7,003.10 × 2,950.31
  4. Step 4: Simplify right side
    5,074.94x = 20,661,266.19
  5. Step 5: Solve for x
    x = 20,661,266.19/5,074.94
  6. Step 6: Final answer
    x = 4,071.24

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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.