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Finding the Fourth Proportional to 4,759.21, 7,133.21 and 3,585.42

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Solution

The fourth proportional to 4,759.21, 7,133.21 and 3,585.42 is: 5,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.21 : 7,133.21 = 3,585.42 : x
  2. Step 2: Convert to fraction form
    4,759.21/7,133.21 = 3,585.42/x
  3. Step 3: Cross multiply
    4,759.21x = 7,133.21 × 3,585.42
  4. Step 4: Simplify right side
    4,759.21x = 25,575,553.80
  5. Step 5: Solve for x
    x = 25,575,553.80/4,759.21
  6. Step 6: Final answer
    x = 5,373.91

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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.