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Finding the Fourth Proportional to 12,750.74, 17,594.67 and 7,372.31

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Solution

The fourth proportional to 12,750.74, 17,594.67 and 7,372.31 is: 10,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.74 : 17,594.67 = 7,372.31 : x
  2. Step 2: Convert to fraction form
    12,750.74/17,594.67 = 7,372.31/x
  3. Step 3: Cross multiply
    12,750.74x = 17,594.67 × 7,372.31
  4. Step 4: Simplify right side
    12,750.74x = 129,713,377.93
  5. Step 5: Solve for x
    x = 129,713,377.93/12,750.74
  6. Step 6: Final answer
    x = 10,173.01

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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.