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Finding the Fourth Proportional to 6,950.40, 10,423.92 and 2,568.40

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Solution

The fourth proportional to 6,950.40, 10,423.92 and 2,568.40 is: 3,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,950.40 : 10,423.92 = 2,568.40 : x
  2. Step 2: Convert to fraction form
    6,950.40/10,423.92 = 2,568.40/x
  3. Step 3: Cross multiply
    6,950.40x = 10,423.92 × 2,568.40
  4. Step 4: Simplify right side
    6,950.40x = 26,772,796.13
  5. Step 5: Solve for x
    x = 26,772,796.13/6,950.40
  6. Step 6: Final answer
    x = 3,851.98

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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.