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Finding the Fourth Proportional to 3,669,963.45, 5,148,577.65 and 3,669,963.45

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Solution

The fourth proportional to 3,669,963.45, 5,148,577.65 and 3,669,963.45 is: 5,148,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,963.45 : 5,148,577.65 = 3,669,963.45 : x
  2. Step 2: Convert to fraction form
    3,669,963.45/5,148,577.65 = 3,669,963.45/x
  3. Step 3: Cross multiply
    3,669,963.45x = 5,148,577.65 × 3,669,963.45
  4. Step 4: Simplify right side
    3,669,963.45x = 18,895,091,794,986.89
  5. Step 5: Solve for x
    x = 18,895,091,794,986.89/3,669,963.45
  6. Step 6: Final answer
    x = 5,148,577.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.