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Finding the Fourth Proportional to 33,894,013.20, 50,841,019.80 and 11,169,430.80

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Solution

The fourth proportional to 33,894,013.20, 50,841,019.80 and 11,169,430.80 is: 16,754,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894,013.20 : 50,841,019.80 = 11,169,430.80 : x
  2. Step 2: Convert to fraction form
    33,894,013.20/50,841,019.80 = 11,169,430.80/x
  3. Step 3: Cross multiply
    33,894,013.20x = 50,841,019.80 × 11,169,430.80
  4. Step 4: Simplify right side
    33,894,013.20x = 567,865,252,457,529.88
  5. Step 5: Solve for x
    x = 567,865,252,457,529.88/33,894,013.20
  6. Step 6: Final answer
    x = 16,754,146.20

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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.