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Finding the Fourth Proportional to 5,453.39, 8,216.52 and 4,934.04

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Solution

The fourth proportional to 5,453.39, 8,216.52 and 4,934.04 is: 7,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.39 : 8,216.52 = 4,934.04 : x
  2. Step 2: Convert to fraction form
    5,453.39/8,216.52 = 4,934.04/x
  3. Step 3: Cross multiply
    5,453.39x = 8,216.52 × 4,934.04
  4. Step 4: Simplify right side
    5,453.39x = 40,540,638.34
  5. Step 5: Solve for x
    x = 40,540,638.34/5,453.39
  6. Step 6: Final answer
    x = 7,434.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.