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Finding the Fourth Proportional to 5,010.60, 7,515.90 and 4,797.30

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Solution

The fourth proportional to 5,010.60, 7,515.90 and 4,797.30 is: 7,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.60 : 7,515.90 = 4,797.30 : x
  2. Step 2: Convert to fraction form
    5,010.60/7,515.90 = 4,797.30/x
  3. Step 3: Cross multiply
    5,010.60x = 7,515.90 × 4,797.30
  4. Step 4: Simplify right side
    5,010.60x = 36,056,027.07
  5. Step 5: Solve for x
    x = 36,056,027.07/5,010.60
  6. Step 6: Final answer
    x = 7,195.95

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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.