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Finding the Fourth Proportional to 2,528.68, 3,792.38 and 968.36

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Solution

The fourth proportional to 2,528.68, 3,792.38 and 968.36 is: 1,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.68 : 3,792.38 = 968.36 : x
  2. Step 2: Convert to fraction form
    2,528.68/3,792.38 = 968.36/x
  3. Step 3: Cross multiply
    2,528.68x = 3,792.38 × 968.36
  4. Step 4: Simplify right side
    2,528.68x = 3,672,389.10
  5. Step 5: Solve for x
    x = 3,672,389.10/2,528.68
  6. Step 6: Final answer
    x = 1,452.29

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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.