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Finding the Fourth Proportional to 14,727.60, 22,075.20 and 7,704.90

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Solution

The fourth proportional to 14,727.60, 22,075.20 and 7,704.90 is: 11,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.60 : 22,075.20 = 7,704.90 : x
  2. Step 2: Convert to fraction form
    14,727.60/22,075.20 = 7,704.90/x
  3. Step 3: Cross multiply
    14,727.60x = 22,075.20 × 7,704.90
  4. Step 4: Simplify right side
    14,727.60x = 170,087,208.48
  5. Step 5: Solve for x
    x = 170,087,208.48/14,727.60
  6. Step 6: Final answer
    x = 11,548.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.