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Finding the Fourth Proportional to 6,820,004.80, 10,235,536.80 and 6,598,820.80

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Solution

The fourth proportional to 6,820,004.80, 10,235,536.80 and 6,598,820.80 is: 9,903,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,004.80 : 10,235,536.80 = 6,598,820.80 : x
  2. Step 2: Convert to fraction form
    6,820,004.80/10,235,536.80 = 6,598,820.80/x
  3. Step 3: Cross multiply
    6,820,004.80x = 10,235,536.80 × 6,598,820.80
  4. Step 4: Simplify right side
    6,820,004.80x = 67,542,473,135,005.45
  5. Step 5: Solve for x
    x = 67,542,473,135,005.45/6,820,004.80
  6. Step 6: Final answer
    x = 9,903,581.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.