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Finding the Fourth Proportional to 29,272.56, 43,908.95 and 7,085.90

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Solution

The fourth proportional to 29,272.56, 43,908.95 and 7,085.90 is: 10,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.56 : 43,908.95 = 7,085.90 : x
  2. Step 2: Convert to fraction form
    29,272.56/43,908.95 = 7,085.90/x
  3. Step 3: Cross multiply
    29,272.56x = 43,908.95 × 7,085.90
  4. Step 4: Simplify right side
    29,272.56x = 311,134,173.83
  5. Step 5: Solve for x
    x = 311,134,173.83/29,272.56
  6. Step 6: Final answer
    x = 10,628.87

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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.