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Finding the Fourth Proportional to 12,725.37, 17,561.00 and 7,061.00

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Solution

The fourth proportional to 12,725.37, 17,561.00 and 7,061.00 is: 9,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.37 : 17,561.00 = 7,061.00 : x
  2. Step 2: Convert to fraction form
    12,725.37/17,561.00 = 7,061.00/x
  3. Step 3: Cross multiply
    12,725.37x = 17,561.00 × 7,061.00
  4. Step 4: Simplify right side
    12,725.37x = 123,998,097.89
  5. Step 5: Solve for x
    x = 123,998,097.89/12,725.37
  6. Step 6: Final answer
    x = 9,744.16

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