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Finding the Fourth Proportional to 17,714,657.70, 26,571,986.55 and 13,431,636.90

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Solution

The fourth proportional to 17,714,657.70, 26,571,986.55 and 13,431,636.90 is: 20,147,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,714,657.70 : 26,571,986.55 = 13,431,636.90 : x
  2. Step 2: Convert to fraction form
    17,714,657.70/26,571,986.55 = 13,431,636.90/x
  3. Step 3: Cross multiply
    17,714,657.70x = 26,571,986.55 × 13,431,636.90
  4. Step 4: Simplify right side
    17,714,657.70x = 356,905,275,051,283.69
  5. Step 5: Solve for x
    x = 356,905,275,051,283.69/17,714,657.70
  6. Step 6: Final answer
    x = 20,147,455.35

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Similar ratio
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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.