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Finding the Fourth Proportional to 9,939,912.82, 14,908,208.46 and 2,752,173.30

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Solution

The fourth proportional to 9,939,912.82, 14,908,208.46 and 2,752,173.30 is: 4,127,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939,912.82 : 14,908,208.46 = 2,752,173.30 : x
  2. Step 2: Convert to fraction form
    9,939,912.82/14,908,208.46 = 2,752,173.30/x
  3. Step 3: Cross multiply
    9,939,912.82x = 14,908,208.46 × 2,752,173.30
  4. Step 4: Simplify right side
    9,939,912.82x = 41,029,973,236,172.59
  5. Step 5: Solve for x
    x = 41,029,973,236,172.59/9,939,912.82
  6. Step 6: Final answer
    x = 4,127,800.11

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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.