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Finding the Fourth Proportional to 18,532.60, 25,573.88 and 10,575.58

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Solution

The fourth proportional to 18,532.60, 25,573.88 and 10,575.58 is: 14,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.60 : 25,573.88 = 10,575.58 : x
  2. Step 2: Convert to fraction form
    18,532.60/25,573.88 = 10,575.58/x
  3. Step 3: Cross multiply
    18,532.60x = 25,573.88 × 10,575.58
  4. Step 4: Simplify right side
    18,532.60x = 270,458,613.85
  5. Step 5: Solve for x
    x = 270,458,613.85/18,532.60
  6. Step 6: Final answer
    x = 14,593.67

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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.