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Finding the Fourth Proportional to 25,080.90, 37,627.89 and 7,311.17

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Solution

The fourth proportional to 25,080.90, 37,627.89 and 7,311.17 is: 10,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.90 : 37,627.89 = 7,311.17 : x
  2. Step 2: Convert to fraction form
    25,080.90/37,627.89 = 7,311.17/x
  3. Step 3: Cross multiply
    25,080.90x = 37,627.89 × 7,311.17
  4. Step 4: Simplify right side
    25,080.90x = 275,103,712.39
  5. Step 5: Solve for x
    x = 275,103,712.39/25,080.90
  6. Step 6: Final answer
    x = 10,968.65

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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.