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Finding the Fourth Proportional to 10,698,662.98, 16,047,939.12 and 2,611,681.30

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Solution

The fourth proportional to 10,698,662.98, 16,047,939.12 and 2,611,681.30 is: 3,917,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698,662.98 : 16,047,939.12 = 2,611,681.30 : x
  2. Step 2: Convert to fraction form
    10,698,662.98/16,047,939.12 = 2,611,681.30/x
  3. Step 3: Cross multiply
    10,698,662.98x = 16,047,939.12 × 2,611,681.30
  4. Step 4: Simplify right side
    10,698,662.98x = 41,912,102,503,242.45
  5. Step 5: Solve for x
    x = 41,912,102,503,242.45/10,698,662.98
  6. Step 6: Final answer
    x = 3,917,508.44

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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.