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Finding the Fourth Proportional to 6,114,689.60, 9,161,536.80 and 3,983,676.80

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Solution

The fourth proportional to 6,114,689.60, 9,161,536.80 and 3,983,676.80 is: 5,968,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114,689.60 : 9,161,536.80 = 3,983,676.80 : x
  2. Step 2: Convert to fraction form
    6,114,689.60/9,161,536.80 = 3,983,676.80/x
  3. Step 3: Cross multiply
    6,114,689.60x = 9,161,536.80 × 3,983,676.80
  4. Step 4: Simplify right side
    6,114,689.60x = 36,496,601,602,506.24
  5. Step 5: Solve for x
    x = 36,496,601,602,506.24/6,114,689.60
  6. Step 6: Final answer
    x = 5,968,676.09

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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.