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Finding the Fourth Proportional to 8,992.76, 13,489.14 and 3,798.68

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Solution

The fourth proportional to 8,992.76, 13,489.14 and 3,798.68 is: 5,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.76 : 13,489.14 = 3,798.68 : x
  2. Step 2: Convert to fraction form
    8,992.76/13,489.14 = 3,798.68/x
  3. Step 3: Cross multiply
    8,992.76x = 13,489.14 × 3,798.68
  4. Step 4: Simplify right side
    8,992.76x = 51,240,926.34
  5. Step 5: Solve for x
    x = 51,240,926.34/8,992.76
  6. Step 6: Final answer
    x = 5,698.02

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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.