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Finding the Fourth Proportional to 12,716.52, 19,076.08 and 3,482.52

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Solution

The fourth proportional to 12,716.52, 19,076.08 and 3,482.52 is: 5,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.52 : 19,076.08 = 3,482.52 : x
  2. Step 2: Convert to fraction form
    12,716.52/19,076.08 = 3,482.52/x
  3. Step 3: Cross multiply
    12,716.52x = 19,076.08 × 3,482.52
  4. Step 4: Simplify right side
    12,716.52x = 66,432,830.12
  5. Step 5: Solve for x
    x = 66,432,830.12/12,716.52
  6. Step 6: Final answer
    x = 5,224.14

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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.