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Finding the Fourth Proportional to 6,343.32, 9,510.48 and 1,958.34

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Solution

The fourth proportional to 6,343.32, 9,510.48 and 1,958.34 is: 2,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.32 : 9,510.48 = 1,958.34 : x
  2. Step 2: Convert to fraction form
    6,343.32/9,510.48 = 1,958.34/x
  3. Step 3: Cross multiply
    6,343.32x = 9,510.48 × 1,958.34
  4. Step 4: Simplify right side
    6,343.32x = 18,624,753.40
  5. Step 5: Solve for x
    x = 18,624,753.40/6,343.32
  6. Step 6: Final answer
    x = 2,936.12

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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.