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Finding the Fourth Proportional to 19,683,455.85, 29,525,183.78 and 19,683,455.85

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Solution

The fourth proportional to 19,683,455.85, 29,525,183.78 and 19,683,455.85 is: 29,525,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,455.85 : 29,525,183.78 = 19,683,455.85 : x
  2. Step 2: Convert to fraction form
    19,683,455.85/29,525,183.78 = 19,683,455.85/x
  3. Step 3: Cross multiply
    19,683,455.85x = 29,525,183.78 × 19,683,455.85
  4. Step 4: Simplify right side
    19,683,455.85x = 581,157,651,298,348.88
  5. Step 5: Solve for x
    x = 581,157,651,298,348.88/19,683,455.85
  6. Step 6: Final answer
    x = 29,525,183.78

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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.