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Finding the Fourth Proportional to 17,292,693.60, 25,939,040.40 and 10,915,401.60

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Solution

The fourth proportional to 17,292,693.60, 25,939,040.40 and 10,915,401.60 is: 16,373,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292,693.60 : 25,939,040.40 = 10,915,401.60 : x
  2. Step 2: Convert to fraction form
    17,292,693.60/25,939,040.40 = 10,915,401.60/x
  3. Step 3: Cross multiply
    17,292,693.60x = 25,939,040.40 × 10,915,401.60
  4. Step 4: Simplify right side
    17,292,693.60x = 283,135,043,084,624.62
  5. Step 5: Solve for x
    x = 283,135,043,084,624.62/17,292,693.60
  6. Step 6: Final answer
    x = 16,373,102.40

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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.