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Finding the Fourth Proportional to 9,231.71, 12,750.38 and 6,725.03

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Solution

The fourth proportional to 9,231.71, 12,750.38 and 6,725.03 is: 9,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.71 : 12,750.38 = 6,725.03 : x
  2. Step 2: Convert to fraction form
    9,231.71/12,750.38 = 6,725.03/x
  3. Step 3: Cross multiply
    9,231.71x = 12,750.38 × 6,725.03
  4. Step 4: Simplify right side
    9,231.71x = 85,746,590.63
  5. Step 5: Solve for x
    x = 85,746,590.63/9,231.71
  6. Step 6: Final answer
    x = 9,288.27

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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.