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Finding the Fourth Proportional to 6,351.68, 9,528.42 and 1,969.50

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Solution

The fourth proportional to 6,351.68, 9,528.42 and 1,969.50 is: 2,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.68 : 9,528.42 = 1,969.50 : x
  2. Step 2: Convert to fraction form
    6,351.68/9,528.42 = 1,969.50/x
  3. Step 3: Cross multiply
    6,351.68x = 9,528.42 × 1,969.50
  4. Step 4: Simplify right side
    6,351.68x = 18,766,223.19
  5. Step 5: Solve for x
    x = 18,766,223.19/6,351.68
  6. Step 6: Final answer
    x = 2,954.53

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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.