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Finding the Fourth Proportional to 6,475,648.65, 8,936,406.50 and 3,575,044.23

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Solution

The fourth proportional to 6,475,648.65, 8,936,406.50 and 3,575,044.23 is: 4,933,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,648.65 : 8,936,406.50 = 3,575,044.23 : x
  2. Step 2: Convert to fraction form
    6,475,648.65/8,936,406.50 = 3,575,044.23/x
  3. Step 3: Cross multiply
    6,475,648.65x = 8,936,406.50 × 3,575,044.23
  4. Step 4: Simplify right side
    6,475,648.65x = 31,948,048,494,759.50
  5. Step 5: Solve for x
    x = 31,948,048,494,759.50/6,475,648.65
  6. Step 6: Final answer
    x = 4,933,567.31

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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.