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Finding the Fourth Proportional to 4,940.28, 7,411.64 and 4,535.28

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Solution

The fourth proportional to 4,940.28, 7,411.64 and 4,535.28 is: 6,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.28 : 7,411.64 = 4,535.28 : x
  2. Step 2: Convert to fraction form
    4,940.28/7,411.64 = 4,535.28/x
  3. Step 3: Cross multiply
    4,940.28x = 7,411.64 × 4,535.28
  4. Step 4: Simplify right side
    4,940.28x = 33,613,839.98
  5. Step 5: Solve for x
    x = 33,613,839.98/4,940.28
  6. Step 6: Final answer
    x = 6,804.04

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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.