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Finding the Fourth Proportional to 18,303.80, 27,466.03 and 8,443.08

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Solution

The fourth proportional to 18,303.80, 27,466.03 and 8,443.08 is: 12,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.80 : 27,466.03 = 8,443.08 : x
  2. Step 2: Convert to fraction form
    18,303.80/27,466.03 = 8,443.08/x
  3. Step 3: Cross multiply
    18,303.80x = 27,466.03 × 8,443.08
  4. Step 4: Simplify right side
    18,303.80x = 231,897,888.57
  5. Step 5: Solve for x
    x = 231,897,888.57/18,303.80
  6. Step 6: Final answer
    x = 12,669.38

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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.