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Finding the Fourth Proportional to 17,812.94, 26,725.55 and 7,959.02

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Solution

The fourth proportional to 17,812.94, 26,725.55 and 7,959.02 is: 11,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.94 : 26,725.55 = 7,959.02 : x
  2. Step 2: Convert to fraction form
    17,812.94/26,725.55 = 7,959.02/x
  3. Step 3: Cross multiply
    17,812.94x = 26,725.55 × 7,959.02
  4. Step 4: Simplify right side
    17,812.94x = 212,709,186.96
  5. Step 5: Solve for x
    x = 212,709,186.96/17,812.94
  6. Step 6: Final answer
    x = 11,941.27

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1.5x scale

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.