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Finding the Fourth Proportional to 33,264,313.80, 49,896,470.70 and 18,881,824.20

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Solution

The fourth proportional to 33,264,313.80, 49,896,470.70 and 18,881,824.20 is: 28,322,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264,313.80 : 49,896,470.70 = 18,881,824.20 : x
  2. Step 2: Convert to fraction form
    33,264,313.80/49,896,470.70 = 18,881,824.20/x
  3. Step 3: Cross multiply
    33,264,313.80x = 49,896,470.70 × 18,881,824.20
  4. Step 4: Simplify right side
    33,264,313.80x = 942,136,387,957,851
  5. Step 5: Solve for x
    x = 942,136,387,957,851/33,264,313.80
  6. Step 6: Final answer
    x = 28,322,736.30

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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.