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Finding the Fourth Proportional to 9,089.70, 12,751.50 and 9,089.70

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Solution

The fourth proportional to 9,089.70, 12,751.50 and 9,089.70 is: 12,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.70 : 12,751.50 = 9,089.70 : x
  2. Step 2: Convert to fraction form
    9,089.70/12,751.50 = 9,089.70/x
  3. Step 3: Cross multiply
    9,089.70x = 12,751.50 × 9,089.70
  4. Step 4: Simplify right side
    9,089.70x = 115,907,309.55
  5. Step 5: Solve for x
    x = 115,907,309.55/9,089.70
  6. Step 6: Final answer
    x = 12,751.50

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