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Finding the Fourth Proportional to 18,330.80, 27,497.10 and 9,582.80

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Solution

The fourth proportional to 18,330.80, 27,497.10 and 9,582.80 is: 14,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.80 : 27,497.10 = 9,582.80 : x
  2. Step 2: Convert to fraction form
    18,330.80/27,497.10 = 9,582.80/x
  3. Step 3: Cross multiply
    18,330.80x = 27,497.10 × 9,582.80
  4. Step 4: Simplify right side
    18,330.80x = 263,499,209.88
  5. Step 5: Solve for x
    x = 263,499,209.88/18,330.80
  6. Step 6: Final answer
    x = 14,374.67

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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.