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Finding the Fourth Proportional to 8,273.25, 12,350.31 and 7,090.50

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Solution

The fourth proportional to 8,273.25, 12,350.31 and 7,090.50 is: 10,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.25 : 12,350.31 = 7,090.50 : x
  2. Step 2: Convert to fraction form
    8,273.25/12,350.31 = 7,090.50/x
  3. Step 3: Cross multiply
    8,273.25x = 12,350.31 × 7,090.50
  4. Step 4: Simplify right side
    8,273.25x = 87,569,873.06
  5. Step 5: Solve for x
    x = 87,569,873.06/8,273.25
  6. Step 6: Final answer
    x = 10,584.70

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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.