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Finding the Fourth Proportional to 6,475,647.65, 8,936,405.12 and 3,575,043.23

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Solution

The fourth proportional to 6,475,647.65, 8,936,405.12 and 3,575,043.23 is: 4,933,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,647.65 : 8,936,405.12 = 3,575,043.23 : x
  2. Step 2: Convert to fraction form
    6,475,647.65/8,936,405.12 = 3,575,043.23/x
  3. Step 3: Cross multiply
    6,475,647.65x = 8,936,405.12 × 3,575,043.23
  4. Step 4: Simplify right side
    6,475,647.65x = 31,948,034,589,048.92
  5. Step 5: Solve for x
    x = 31,948,034,589,048.92/6,475,647.65
  6. Step 6: Final answer
    x = 4,933,565.93

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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.