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Finding the Fourth Proportional to 6,562,879.80, 9,844,319.70 and 5,765,718.30

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Solution

The fourth proportional to 6,562,879.80, 9,844,319.70 and 5,765,718.30 is: 8,648,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,562,879.80 : 9,844,319.70 = 5,765,718.30 : x
  2. Step 2: Convert to fraction form
    6,562,879.80/9,844,319.70 = 5,765,718.30/x
  3. Step 3: Cross multiply
    6,562,879.80x = 9,844,319.70 × 5,765,718.30
  4. Step 4: Simplify right side
    6,562,879.80x = 56,759,574,245,340.50
  5. Step 5: Solve for x
    x = 56,759,574,245,340.50/6,562,879.80
  6. Step 6: Final answer
    x = 8,648,577.45

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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.