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Finding the Fourth Proportional to 5,134.52, 7,661.46 and 4,821.04

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Solution

The fourth proportional to 5,134.52, 7,661.46 and 4,821.04 is: 7,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.52 : 7,661.46 = 4,821.04 : x
  2. Step 2: Convert to fraction form
    5,134.52/7,661.46 = 4,821.04/x
  3. Step 3: Cross multiply
    5,134.52x = 7,661.46 × 4,821.04
  4. Step 4: Simplify right side
    5,134.52x = 36,936,205.12
  5. Step 5: Solve for x
    x = 36,936,205.12/5,134.52
  6. Step 6: Final answer
    x = 7,193.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.