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Finding the Fourth Proportional to 18,299.58, 27,429.93 and 7,204.74

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Solution

The fourth proportional to 18,299.58, 27,429.93 and 7,204.74 is: 10,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.58 : 27,429.93 = 7,204.74 : x
  2. Step 2: Convert to fraction form
    18,299.58/27,429.93 = 7,204.74/x
  3. Step 3: Cross multiply
    18,299.58x = 27,429.93 × 7,204.74
  4. Step 4: Simplify right side
    18,299.58x = 197,625,582.44
  5. Step 5: Solve for x
    x = 197,625,582.44/18,299.58
  6. Step 6: Final answer
    x = 10,799.46

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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.