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Finding the Fourth Proportional to 18,303.77, 27,403.77 and 12,044.96

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Solution

The fourth proportional to 18,303.77, 27,403.77 and 12,044.96 is: 18,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.77 : 27,403.77 = 12,044.96 : x
  2. Step 2: Convert to fraction form
    18,303.77/27,403.77 = 12,044.96/x
  3. Step 3: Cross multiply
    18,303.77x = 27,403.77 × 12,044.96
  4. Step 4: Simplify right side
    18,303.77x = 330,077,313.50
  5. Step 5: Solve for x
    x = 330,077,313.50/18,303.77
  6. Step 6: Final answer
    x = 18,033.30

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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.