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Finding the Fourth Proportional to 6,958.74, 10,438.13 and 1,765.02

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Solution

The fourth proportional to 6,958.74, 10,438.13 and 1,765.02 is: 2,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.74 : 10,438.13 = 1,765.02 : x
  2. Step 2: Convert to fraction form
    6,958.74/10,438.13 = 1,765.02/x
  3. Step 3: Cross multiply
    6,958.74x = 10,438.13 × 1,765.02
  4. Step 4: Simplify right side
    6,958.74x = 18,423,499.39
  5. Step 5: Solve for x
    x = 18,423,499.39/6,958.74
  6. Step 6: Final answer
    x = 2,647.53

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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.