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Finding the Fourth Proportional to 17,613,784.40, 26,395,793.40 and 13,029,054.80

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Solution

The fourth proportional to 17,613,784.40, 26,395,793.40 and 13,029,054.80 is: 19,525,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,784.40 : 26,395,793.40 = 13,029,054.80 : x
  2. Step 2: Convert to fraction form
    17,613,784.40/26,395,793.40 = 13,029,054.80/x
  3. Step 3: Cross multiply
    17,613,784.40x = 26,395,793.40 × 13,029,054.80
  4. Step 4: Simplify right side
    17,613,784.40x = 343,912,238,698,078.31
  5. Step 5: Solve for x
    x = 343,912,238,698,078.31/17,613,784.40
  6. Step 6: Final answer
    x = 19,525,175.90

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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.