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Finding the Fourth Proportional to 20,024,149.20, 30,036,223.80 and 20,024,149.20

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Solution

The fourth proportional to 20,024,149.20, 30,036,223.80 and 20,024,149.20 is: 30,036,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024,149.20 : 30,036,223.80 = 20,024,149.20 : x
  2. Step 2: Convert to fraction form
    20,024,149.20/30,036,223.80 = 20,024,149.20/x
  3. Step 3: Cross multiply
    20,024,149.20x = 30,036,223.80 × 20,024,149.20
  4. Step 4: Simplify right side
    20,024,149.20x = 601,449,826,775,791
  5. Step 5: Solve for x
    x = 601,449,826,775,791/20,024,149.20
  6. Step 6: Final answer
    x = 30,036,223.80

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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.