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Finding the Fourth Proportional to 6,354,687.82, 8,773,692.20 and 4,881,973.54

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Solution

The fourth proportional to 6,354,687.82, 8,773,692.20 and 4,881,973.54 is: 6,740,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354,687.82 : 8,773,692.20 = 4,881,973.54 : x
  2. Step 2: Convert to fraction form
    6,354,687.82/8,773,692.20 = 4,881,973.54/x
  3. Step 3: Cross multiply
    6,354,687.82x = 8,773,692.20 × 4,881,973.54
  4. Step 4: Simplify right side
    6,354,687.82x = 42,832,933,168,504.38
  5. Step 5: Solve for x
    x = 42,832,933,168,504.38/6,354,687.82
  6. Step 6: Final answer
    x = 6,740,367.80

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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.