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Finding the Fourth Proportional to 5,268.97, 7,903.46 and 4,948.21

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Solution

The fourth proportional to 5,268.97, 7,903.46 and 4,948.21 is: 7,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.97 : 7,903.46 = 4,948.21 : x
  2. Step 2: Convert to fraction form
    5,268.97/7,903.46 = 4,948.21/x
  3. Step 3: Cross multiply
    5,268.97x = 7,903.46 × 4,948.21
  4. Step 4: Simplify right side
    5,268.97x = 39,107,979.81
  5. Step 5: Solve for x
    x = 39,107,979.81/5,268.97
  6. Step 6: Final answer
    x = 7,422.32

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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.