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Finding the Fourth Proportional to 52,994.86, 73,133.76 and 30,333.76

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Solution

The fourth proportional to 52,994.86, 73,133.76 and 30,333.76 is: 41,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,994.86 : 73,133.76 = 30,333.76 : x
  2. Step 2: Convert to fraction form
    52,994.86/73,133.76 = 30,333.76/x
  3. Step 3: Cross multiply
    52,994.86x = 73,133.76 × 30,333.76
  4. Step 4: Simplify right side
    52,994.86x = 2,218,421,923.74
  5. Step 5: Solve for x
    x = 2,218,421,923.74/52,994.86
  6. Step 6: Final answer
    x = 41,861.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.