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Finding the Fourth Proportional to 17,613,720.20, 23,702,939.55 and 17,613,720.20

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Solution

The fourth proportional to 17,613,720.20, 23,702,939.55 and 17,613,720.20 is: 23,702,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,720.20 : 23,702,939.55 = 17,613,720.20 : x
  2. Step 2: Convert to fraction form
    17,613,720.20/23,702,939.55 = 17,613,720.20/x
  3. Step 3: Cross multiply
    17,613,720.20x = 23,702,939.55 × 17,613,720.20
  4. Step 4: Simplify right side
    17,613,720.20x = 417,496,945,151,213.88
  5. Step 5: Solve for x
    x = 417,496,945,151,213.88/17,613,720.20
  6. Step 6: Final answer
    x = 23,702,939.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.