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Finding the Fourth Proportional to 6,497,728.26, 8,966,509.74 and 3,556,976.46

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Solution

The fourth proportional to 6,497,728.26, 8,966,509.74 and 3,556,976.46 is: 4,908,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497,728.26 : 8,966,509.74 = 3,556,976.46 : x
  2. Step 2: Convert to fraction form
    6,497,728.26/8,966,509.74 = 3,556,976.46/x
  3. Step 3: Cross multiply
    6,497,728.26x = 8,966,509.74 × 3,556,976.46
  4. Step 4: Simplify right side
    6,497,728.26x = 31,893,664,073,540.72
  5. Step 5: Solve for x
    x = 31,893,664,073,540.72/6,497,728.26
  6. Step 6: Final answer
    x = 4,908,433.04

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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.