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Finding the Fourth Proportional to 29,495.70, 44,235.81 and 20,133.99

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Solution

The fourth proportional to 29,495.70, 44,235.81 and 20,133.99 is: 30,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.70 : 44,235.81 = 20,133.99 : x
  2. Step 2: Convert to fraction form
    29,495.70/44,235.81 = 20,133.99/x
  3. Step 3: Cross multiply
    29,495.70x = 44,235.81 × 20,133.99
  4. Step 4: Simplify right side
    29,495.70x = 890,643,356.18
  5. Step 5: Solve for x
    x = 890,643,356.18/29,495.70
  6. Step 6: Final answer
    x = 30,195.70

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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.