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Finding the Fourth Proportional to 70,422.06, 105,627.96 and 26,028.12

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Solution

The fourth proportional to 70,422.06, 105,627.96 and 26,028.12 is: 39,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,422.06 : 105,627.96 = 26,028.12 : x
  2. Step 2: Convert to fraction form
    70,422.06/105,627.96 = 26,028.12/x
  3. Step 3: Cross multiply
    70,422.06x = 105,627.96 × 26,028.12
  4. Step 4: Simplify right side
    70,422.06x = 2,749,297,218.24
  5. Step 5: Solve for x
    x = 2,749,297,218.24/70,422.06
  6. Step 6: Final answer
    x = 39,040.28

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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.