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Finding the Fourth Proportional to 12,033.21, 18,043.21 and 3,710.92

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Solution

The fourth proportional to 12,033.21, 18,043.21 and 3,710.92 is: 5,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.21 : 18,043.21 = 3,710.92 : x
  2. Step 2: Convert to fraction form
    12,033.21/18,043.21 = 3,710.92/x
  3. Step 3: Cross multiply
    12,033.21x = 18,043.21 × 3,710.92
  4. Step 4: Simplify right side
    12,033.21x = 66,956,854.47
  5. Step 5: Solve for x
    x = 66,956,854.47/12,033.21
  6. Step 6: Final answer
    x = 5,564.34

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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.