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Finding the Fourth Proportional to 5,749,213.05, 8,624,680.88 and 1,857,369.78

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Solution

The fourth proportional to 5,749,213.05, 8,624,680.88 and 1,857,369.78 is: 2,786,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749,213.05 : 8,624,680.88 = 1,857,369.78 : x
  2. Step 2: Convert to fraction form
    5,749,213.05/8,624,680.88 = 1,857,369.78/x
  3. Step 3: Cross multiply
    5,749,213.05x = 8,624,680.88 × 1,857,369.78
  4. Step 4: Simplify right side
    5,749,213.05x = 16,019,221,619,368.96
  5. Step 5: Solve for x
    x = 16,019,221,619,368.96/5,749,213.05
  6. Step 6: Final answer
    x = 2,786,332.93

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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.