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Finding the Fourth Proportional to 6,958.26, 10,378.74 and 6,750.51

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Solution

The fourth proportional to 6,958.26, 10,378.74 and 6,750.51 is: 10,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.26 : 10,378.74 = 6,750.51 : x
  2. Step 2: Convert to fraction form
    6,958.26/10,378.74 = 6,750.51/x
  3. Step 3: Cross multiply
    6,958.26x = 10,378.74 × 6,750.51
  4. Step 4: Simplify right side
    6,958.26x = 70,061,788.16
  5. Step 5: Solve for x
    x = 70,061,788.16/6,958.26
  6. Step 6: Final answer
    x = 10,068.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.