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Finding the Fourth Proportional to 6,652,666.58, 9,977,474.48 and 1,860,694.42

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Solution

The fourth proportional to 6,652,666.58, 9,977,474.48 and 1,860,694.42 is: 2,790,614.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,666.58 : 9,977,474.48 = 1,860,694.42 : x
  2. Step 2: Convert to fraction form
    6,652,666.58/9,977,474.48 = 1,860,694.42/x
  3. Step 3: Cross multiply
    6,652,666.58x = 9,977,474.48 × 1,860,694.42
  4. Step 4: Simplify right side
    6,652,666.58x = 18,565,031,090,628.40
  5. Step 5: Solve for x
    x = 18,565,031,090,628.40/6,652,666.58
  6. Step 6: Final answer
    x = 2,790,614.99

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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.