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Finding the Fourth Proportional to 1,164.61, 1,745.24 and 876.25

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Solution

The fourth proportional to 1,164.61, 1,745.24 and 876.25 is: 1,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.61 : 1,745.24 = 876.25 : x
  2. Step 2: Convert to fraction form
    1,164.61/1,745.24 = 876.25/x
  3. Step 3: Cross multiply
    1,164.61x = 1,745.24 × 876.25
  4. Step 4: Simplify right side
    1,164.61x = 1,529,257.82
  5. Step 5: Solve for x
    x = 1,529,257.82/1,164.61
  6. Step 6: Final answer
    x = 1,313.11

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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.