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Finding the Fourth Proportional to 17,312.44, 25,959.42 and 8,984.07

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Solution

The fourth proportional to 17,312.44, 25,959.42 and 8,984.07 is: 13,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.44 : 25,959.42 = 8,984.07 : x
  2. Step 2: Convert to fraction form
    17,312.44/25,959.42 = 8,984.07/x
  3. Step 3: Cross multiply
    17,312.44x = 25,959.42 × 8,984.07
  4. Step 4: Simplify right side
    17,312.44x = 233,221,246.44
  5. Step 5: Solve for x
    x = 233,221,246.44/17,312.44
  6. Step 6: Final answer
    x = 13,471.31

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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.