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Finding the Fourth Proportional to 8,536,446.60, 11,977,929.44 and 8,536,446.60

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Solution

The fourth proportional to 8,536,446.60, 11,977,929.44 and 8,536,446.60 is: 11,977,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,446.60 : 11,977,929.44 = 8,536,446.60 : x
  2. Step 2: Convert to fraction form
    8,536,446.60/11,977,929.44 = 8,536,446.60/x
  3. Step 3: Cross multiply
    8,536,446.60x = 11,977,929.44 × 8,536,446.60
  4. Step 4: Simplify right side
    8,536,446.60x = 102,248,955,043,127.89
  5. Step 5: Solve for x
    x = 102,248,955,043,127.89/8,536,446.60
  6. Step 6: Final answer
    x = 11,977,929.44

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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.