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Finding the Fourth Proportional to 6,815,646.06, 9,405,440.19 and 3,759,859.50

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Solution

The fourth proportional to 6,815,646.06, 9,405,440.19 and 3,759,859.50 is: 5,188,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,646.06 : 9,405,440.19 = 3,759,859.50 : x
  2. Step 2: Convert to fraction form
    6,815,646.06/9,405,440.19 = 3,759,859.50/x
  3. Step 3: Cross multiply
    6,815,646.06x = 9,405,440.19 × 3,759,859.50
  4. Step 4: Simplify right side
    6,815,646.06x = 35,363,133,650,053.30
  5. Step 5: Solve for x
    x = 35,363,133,650,053.30/6,815,646.06
  6. Step 6: Final answer
    x = 5,188,522.61

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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.