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Finding the Fourth Proportional to 17,605,825.60, 26,408,738.40 and 15,366,337.60

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Solution

The fourth proportional to 17,605,825.60, 26,408,738.40 and 15,366,337.60 is: 23,049,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605,825.60 : 26,408,738.40 = 15,366,337.60 : x
  2. Step 2: Convert to fraction form
    17,605,825.60/26,408,738.40 = 15,366,337.60/x
  3. Step 3: Cross multiply
    17,605,825.60x = 26,408,738.40 × 15,366,337.60
  4. Step 4: Simplify right side
    17,605,825.60x = 405,805,589,844,483.81
  5. Step 5: Solve for x
    x = 405,805,589,844,483.81/17,605,825.60
  6. Step 6: Final answer
    x = 23,049,506.40

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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.