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Finding the Fourth Proportional to 18,014.81, 27,024.92 and 8,653.07

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Solution

The fourth proportional to 18,014.81, 27,024.92 and 8,653.07 is: 12,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.81 : 27,024.92 = 8,653.07 : x
  2. Step 2: Convert to fraction form
    18,014.81/27,024.92 = 8,653.07/x
  3. Step 3: Cross multiply
    18,014.81x = 27,024.92 × 8,653.07
  4. Step 4: Simplify right side
    18,014.81x = 233,848,346.11
  5. Step 5: Solve for x
    x = 233,848,346.11/18,014.81
  6. Step 6: Final answer
    x = 12,980.90

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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.