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Finding the Fourth Proportional to 25,703.64, 38,555.46 and 8,173.49

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Solution

The fourth proportional to 25,703.64, 38,555.46 and 8,173.49 is: 12,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.64 : 38,555.46 = 8,173.49 : x
  2. Step 2: Convert to fraction form
    25,703.64/38,555.46 = 8,173.49/x
  3. Step 3: Cross multiply
    25,703.64x = 38,555.46 × 8,173.49
  4. Step 4: Simplify right side
    25,703.64x = 315,132,473.98
  5. Step 5: Solve for x
    x = 315,132,473.98/25,703.64
  6. Step 6: Final answer
    x = 12,260.23

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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.