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Finding the Fourth Proportional to 12,552, 18,832.32 and 4,344

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Solution

The fourth proportional to 12,552, 18,832.32 and 4,344 is: 6,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552 : 18,832.32 = 4,344 : x
  2. Step 2: Convert to fraction form
    12,552/18,832.32 = 4,344/x
  3. Step 3: Cross multiply
    12,552x = 18,832.32 × 4,344
  4. Step 4: Simplify right side
    12,552x = 81,807,598.08
  5. Step 5: Solve for x
    x = 81,807,598.08/12,552
  6. Step 6: Final answer
    x = 6,517.50

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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.