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Finding the Fourth Proportional to 6,593,352.34, 9,095,927.86 and 3,978,397.90

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Solution

The fourth proportional to 6,593,352.34, 9,095,927.86 and 3,978,397.90 is: 5,488,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,593,352.34 : 9,095,927.86 = 3,978,397.90 : x
  2. Step 2: Convert to fraction form
    6,593,352.34/9,095,927.86 = 3,978,397.90/x
  3. Step 3: Cross multiply
    6,593,352.34x = 9,095,927.86 × 3,978,397.90
  4. Step 4: Simplify right side
    6,593,352.34x = 36,187,220,265,157.62
  5. Step 5: Solve for x
    x = 36,187,220,265,157.62/6,593,352.34
  6. Step 6: Final answer
    x = 5,488,440.24

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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.