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Finding the Fourth Proportional to 18,543.88, 25,592.70 and 10,587.25

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Solution

The fourth proportional to 18,543.88, 25,592.70 and 10,587.25 is: 14,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.88 : 25,592.70 = 10,587.25 : x
  2. Step 2: Convert to fraction form
    18,543.88/25,592.70 = 10,587.25/x
  3. Step 3: Cross multiply
    18,543.88x = 25,592.70 × 10,587.25
  4. Step 4: Simplify right side
    18,543.88x = 270,956,313.08
  5. Step 5: Solve for x
    x = 270,956,313.08/18,543.88
  6. Step 6: Final answer
    x = 14,611.63

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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.