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Finding the Fourth Proportional to 17,098,514.40, 25,591,784.40 and 13,291,384.80

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Solution

The fourth proportional to 17,098,514.40, 25,591,784.40 and 13,291,384.80 is: 19,893,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,098,514.40 : 25,591,784.40 = 13,291,384.80 : x
  2. Step 2: Convert to fraction form
    17,098,514.40/25,591,784.40 = 13,291,384.80/x
  3. Step 3: Cross multiply
    17,098,514.40x = 25,591,784.40 × 13,291,384.80
  4. Step 4: Simplify right side
    17,098,514.40x = 340,150,254,179,037.12
  5. Step 5: Solve for x
    x = 340,150,254,179,037.12/17,098,514.40
  6. Step 6: Final answer
    x = 19,893,556.03

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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.