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Finding the Fourth Proportional to 12,954,571.92, 19,431,882.47 and 3,369,935.07

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Solution

The fourth proportional to 12,954,571.92, 19,431,882.47 and 3,369,935.07 is: 5,054,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,571.92 : 19,431,882.47 = 3,369,935.07 : x
  2. Step 2: Convert to fraction form
    12,954,571.92/19,431,882.47 = 3,369,935.07/x
  3. Step 3: Cross multiply
    12,954,571.92x = 19,431,882.47 × 3,369,935.07
  4. Step 4: Simplify right side
    12,954,571.92x = 65,484,182,220,196.05
  5. Step 5: Solve for x
    x = 65,484,182,220,196.05/12,954,571.92
  6. Step 6: Final answer
    x = 5,054,909.00

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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.