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Finding the Fourth Proportional to 6,582,703.20, 9,874,054.80 and 5,543,440.80

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Solution

The fourth proportional to 6,582,703.20, 9,874,054.80 and 5,543,440.80 is: 8,315,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,582,703.20 : 9,874,054.80 = 5,543,440.80 : x
  2. Step 2: Convert to fraction form
    6,582,703.20/9,874,054.80 = 5,543,440.80/x
  3. Step 3: Cross multiply
    6,582,703.20x = 9,874,054.80 × 5,543,440.80
  4. Step 4: Simplify right side
    6,582,703.20x = 54,736,238,239,755.84
  5. Step 5: Solve for x
    x = 54,736,238,239,755.84/6,582,703.20
  6. Step 6: Final answer
    x = 8,315,161.20

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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.