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Finding the Fourth Proportional to 44,558.70, 66,728.70 and 29,687.10

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Solution

The fourth proportional to 44,558.70, 66,728.70 and 29,687.10 is: 44,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,558.70 : 66,728.70 = 29,687.10 : x
  2. Step 2: Convert to fraction form
    44,558.70/66,728.70 = 29,687.10/x
  3. Step 3: Cross multiply
    44,558.70x = 66,728.70 × 29,687.10
  4. Step 4: Simplify right side
    44,558.70x = 1,980,981,589.77
  5. Step 5: Solve for x
    x = 1,980,981,589.77/44,558.70
  6. Step 6: Final answer
    x = 44,457.80

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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.