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Finding the Fourth Proportional to 29,012.53, 43,518.82 and 7,952.80

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Solution

The fourth proportional to 29,012.53, 43,518.82 and 7,952.80 is: 11,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.53 : 43,518.82 = 7,952.80 : x
  2. Step 2: Convert to fraction form
    29,012.53/43,518.82 = 7,952.80/x
  3. Step 3: Cross multiply
    29,012.53x = 43,518.82 × 7,952.80
  4. Step 4: Simplify right side
    29,012.53x = 346,096,471.70
  5. Step 5: Solve for x
    x = 346,096,471.70/29,012.53
  6. Step 6: Final answer
    x = 11,929.21

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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.