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Finding the Fourth Proportional to 29,550.60, 44,325.90 and 20,219.40

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Solution

The fourth proportional to 29,550.60, 44,325.90 and 20,219.40 is: 30,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,550.60 : 44,325.90 = 20,219.40 : x
  2. Step 2: Convert to fraction form
    29,550.60/44,325.90 = 20,219.40/x
  3. Step 3: Cross multiply
    29,550.60x = 44,325.90 × 20,219.40
  4. Step 4: Simplify right side
    29,550.60x = 896,243,102.46
  5. Step 5: Solve for x
    x = 896,243,102.46/29,550.60
  6. Step 6: Final answer
    x = 30,329.10

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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.