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Finding the Fourth Proportional to 5,357,908.68, 8,036,929.44 and 1,571,469.72

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Solution

The fourth proportional to 5,357,908.68, 8,036,929.44 and 1,571,469.72 is: 2,357,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,908.68 : 8,036,929.44 = 1,571,469.72 : x
  2. Step 2: Convert to fraction form
    5,357,908.68/8,036,929.44 = 1,571,469.72/x
  3. Step 3: Cross multiply
    5,357,908.68x = 8,036,929.44 × 1,571,469.72
  4. Step 4: Simplify right side
    5,357,908.68x = 12,629,791,256,736.56
  5. Step 5: Solve for x
    x = 12,629,791,256,736.56/5,357,908.68
  6. Step 6: Final answer
    x = 2,357,224.06

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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.