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Finding the Fourth Proportional to 20,183,529.58, 30,275,294.37 and 20,183,529.58

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Solution

The fourth proportional to 20,183,529.58, 30,275,294.37 and 20,183,529.58 is: 30,275,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,529.58 : 30,275,294.37 = 20,183,529.58 : x
  2. Step 2: Convert to fraction form
    20,183,529.58/30,275,294.37 = 20,183,529.58/x
  3. Step 3: Cross multiply
    20,183,529.58x = 30,275,294.37 × 20,183,529.58
  4. Step 4: Simplify right side
    20,183,529.58x = 611,062,299,207,808.25
  5. Step 5: Solve for x
    x = 611,062,299,207,808.25/20,183,529.58
  6. Step 6: Final answer
    x = 30,275,294.37

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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.