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Finding the Fourth Proportional to 17,389,437.70, 26,073,788.55 and 10,662,679.30

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Solution

The fourth proportional to 17,389,437.70, 26,073,788.55 and 10,662,679.30 is: 15,987,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389,437.70 : 26,073,788.55 = 10,662,679.30 : x
  2. Step 2: Convert to fraction form
    17,389,437.70/26,073,788.55 = 10,662,679.30/x
  3. Step 3: Cross multiply
    17,389,437.70x = 26,073,788.55 × 10,662,679.30
  4. Step 4: Simplify right side
    17,389,437.70x = 278,016,445,444,662.03
  5. Step 5: Solve for x
    x = 278,016,445,444,662.03/17,389,437.70
  6. Step 6: Final answer
    x = 15,987,661.60

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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.