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Finding the Fourth Proportional to 12,360.80, 17,057.18 and 7,325.51

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Solution

The fourth proportional to 12,360.80, 17,057.18 and 7,325.51 is: 10,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.80 : 17,057.18 = 7,325.51 : x
  2. Step 2: Convert to fraction form
    12,360.80/17,057.18 = 7,325.51/x
  3. Step 3: Cross multiply
    12,360.80x = 17,057.18 × 7,325.51
  4. Step 4: Simplify right side
    12,360.80x = 124,952,475.69
  5. Step 5: Solve for x
    x = 124,952,475.69/12,360.80
  6. Step 6: Final answer
    x = 10,108.77

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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.