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Finding the Fourth Proportional to 18,051.81, 27,059.52 and 7,527.66

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Solution

The fourth proportional to 18,051.81, 27,059.52 and 7,527.66 is: 11,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.81 : 27,059.52 = 7,527.66 : x
  2. Step 2: Convert to fraction form
    18,051.81/27,059.52 = 7,527.66/x
  3. Step 3: Cross multiply
    18,051.81x = 27,059.52 × 7,527.66
  4. Step 4: Simplify right side
    18,051.81x = 203,694,866.32
  5. Step 5: Solve for x
    x = 203,694,866.32/18,051.81
  6. Step 6: Final answer
    x = 11,283.90

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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.