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Finding the Fourth Proportional to 18,624.76, 27,940.02 and 8,765.08

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Solution

The fourth proportional to 18,624.76, 27,940.02 and 8,765.08 is: 13,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.76 : 27,940.02 = 8,765.08 : x
  2. Step 2: Convert to fraction form
    18,624.76/27,940.02 = 8,765.08/x
  3. Step 3: Cross multiply
    18,624.76x = 27,940.02 × 8,765.08
  4. Step 4: Simplify right side
    18,624.76x = 244,896,510.50
  5. Step 5: Solve for x
    x = 244,896,510.50/18,624.76
  6. Step 6: Final answer
    x = 13,148.98

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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.