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Finding the Fourth Proportional to 5,979,652.74, 8,254,471.46 and 4,020,666.30

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Solution

The fourth proportional to 5,979,652.74, 8,254,471.46 and 4,020,666.30 is: 5,550,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,652.74 : 8,254,471.46 = 4,020,666.30 : x
  2. Step 2: Convert to fraction form
    5,979,652.74/8,254,471.46 = 4,020,666.30/x
  3. Step 3: Cross multiply
    5,979,652.74x = 8,254,471.46 × 4,020,666.30
  4. Step 4: Simplify right side
    5,979,652.74x = 33,188,475,203,430.46
  5. Step 5: Solve for x
    x = 33,188,475,203,430.46/5,979,652.74
  6. Step 6: Final answer
    x = 5,550,234.54

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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.