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Finding the Fourth Proportional to 12,792.94, 17,656.08 and 12,232.52

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Solution

The fourth proportional to 12,792.94, 17,656.08 and 12,232.52 is: 16,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.94 : 17,656.08 = 12,232.52 : x
  2. Step 2: Convert to fraction form
    12,792.94/17,656.08 = 12,232.52/x
  3. Step 3: Cross multiply
    12,792.94x = 17,656.08 × 12,232.52
  4. Step 4: Simplify right side
    12,792.94x = 215,978,283.78
  5. Step 5: Solve for x
    x = 215,978,283.78/12,792.94
  6. Step 6: Final answer
    x = 16,882.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.