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Finding the Fourth Proportional to 15,978,285.60, 23,967,428.40 and 11,089,028.40

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Solution

The fourth proportional to 15,978,285.60, 23,967,428.40 and 11,089,028.40 is: 16,633,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,285.60 : 23,967,428.40 = 11,089,028.40 : x
  2. Step 2: Convert to fraction form
    15,978,285.60/23,967,428.40 = 11,089,028.40/x
  3. Step 3: Cross multiply
    15,978,285.60x = 23,967,428.40 × 11,089,028.40
  4. Step 4: Simplify right side
    15,978,285.60x = 265,775,494,202,566.56
  5. Step 5: Solve for x
    x = 265,775,494,202,566.56/15,978,285.60
  6. Step 6: Final answer
    x = 16,633,542.60

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Similar ratio
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1.5x scale

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.