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Finding the Fourth Proportional to 5,972,876.72, 8,959,349.64 and 1,485,152.72

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Solution

The fourth proportional to 5,972,876.72, 8,959,349.64 and 1,485,152.72 is: 2,227,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972,876.72 : 8,959,349.64 = 1,485,152.72 : x
  2. Step 2: Convert to fraction form
    5,972,876.72/8,959,349.64 = 1,485,152.72/x
  3. Step 3: Cross multiply
    5,972,876.72x = 8,959,349.64 × 1,485,152.72
  4. Step 4: Simplify right side
    5,972,876.72x = 13,306,002,487,277.02
  5. Step 5: Solve for x
    x = 13,306,002,487,277.02/5,972,876.72
  6. Step 6: Final answer
    x = 2,227,737.67

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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.