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Finding the Fourth Proportional to 5,232, 7,848 and 1,941.28

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Solution

The fourth proportional to 5,232, 7,848 and 1,941.28 is: 2,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232 : 7,848 = 1,941.28 : x
  2. Step 2: Convert to fraction form
    5,232/7,848 = 1,941.28/x
  3. Step 3: Cross multiply
    5,232x = 7,848 × 1,941.28
  4. Step 4: Simplify right side
    5,232x = 15,235,165.44
  5. Step 5: Solve for x
    x = 15,235,165.44/5,232
  6. Step 6: Final answer
    x = 2,911.92

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Why These Related Problems?

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