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Finding the Fourth Proportional to 14,672,649.90, 22,009,946.85 and 3,889,800.30

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Solution

The fourth proportional to 14,672,649.90, 22,009,946.85 and 3,889,800.30 is: 5,834,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,649.90 : 22,009,946.85 = 3,889,800.30 : x
  2. Step 2: Convert to fraction form
    14,672,649.90/22,009,946.85 = 3,889,800.30/x
  3. Step 3: Cross multiply
    14,672,649.90x = 22,009,946.85 × 3,889,800.30
  4. Step 4: Simplify right side
    14,672,649.90x = 85,614,297,860,114.06
  5. Step 5: Solve for x
    x = 85,614,297,860,114.06/14,672,649.90
  6. Step 6: Final answer
    x = 5,834,958.13

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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.