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Finding the Fourth Proportional to 8,127,581.80, 11,363,684.60 and 8,127,581.80

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Solution

The fourth proportional to 8,127,581.80, 11,363,684.60 and 8,127,581.80 is: 11,363,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,581.80 : 11,363,684.60 = 8,127,581.80 : x
  2. Step 2: Convert to fraction form
    8,127,581.80/11,363,684.60 = 8,127,581.80/x
  3. Step 3: Cross multiply
    8,127,581.80x = 11,363,684.60 × 8,127,581.80
  4. Step 4: Simplify right side
    8,127,581.80x = 92,359,276,135,900.28
  5. Step 5: Solve for x
    x = 92,359,276,135,900.28/8,127,581.80
  6. Step 6: Final answer
    x = 11,363,684.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.