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Finding the Fourth Proportional to 5,047,692.48, 6,965,991.36 and 2,872,563.84

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Solution

The fourth proportional to 5,047,692.48, 6,965,991.36 and 2,872,563.84 is: 3,964,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047,692.48 : 6,965,991.36 = 2,872,563.84 : x
  2. Step 2: Convert to fraction form
    5,047,692.48/6,965,991.36 = 2,872,563.84/x
  3. Step 3: Cross multiply
    5,047,692.48x = 6,965,991.36 × 2,872,563.84
  4. Step 4: Simplify right side
    5,047,692.48x = 20,010,254,890,488.42
  5. Step 5: Solve for x
    x = 20,010,254,890,488.42/5,047,692.48
  6. Step 6: Final answer
    x = 3,964,238.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.