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Finding the Fourth Proportional to 11,873.84, 17,798.20 and 4,475.09

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Solution

The fourth proportional to 11,873.84, 17,798.20 and 4,475.09 is: 6,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.84 : 17,798.20 = 4,475.09 : x
  2. Step 2: Convert to fraction form
    11,873.84/17,798.20 = 4,475.09/x
  3. Step 3: Cross multiply
    11,873.84x = 17,798.20 × 4,475.09
  4. Step 4: Simplify right side
    11,873.84x = 79,648,546.84
  5. Step 5: Solve for x
    x = 79,648,546.84/11,873.84
  6. Step 6: Final answer
    x = 6,707.90

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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.