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Finding the Fourth Proportional to 5,808,700.80, 8,713,051.20 and 3,413,692.80

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Solution

The fourth proportional to 5,808,700.80, 8,713,051.20 and 3,413,692.80 is: 5,120,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808,700.80 : 8,713,051.20 = 3,413,692.80 : x
  2. Step 2: Convert to fraction form
    5,808,700.80/8,713,051.20 = 3,413,692.80/x
  3. Step 3: Cross multiply
    5,808,700.80x = 8,713,051.20 × 3,413,692.80
  4. Step 4: Simplify right side
    5,808,700.80x = 29,743,680,147,471.36
  5. Step 5: Solve for x
    x = 29,743,680,147,471.36/5,808,700.80
  6. Step 6: Final answer
    x = 5,120,539.20

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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.