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Finding the Fourth Proportional to 18,235.63, 27,353.45 and 5,756.92

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Solution

The fourth proportional to 18,235.63, 27,353.45 and 5,756.92 is: 8,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.63 : 27,353.45 = 5,756.92 : x
  2. Step 2: Convert to fraction form
    18,235.63/27,353.45 = 5,756.92/x
  3. Step 3: Cross multiply
    18,235.63x = 27,353.45 × 5,756.92
  4. Step 4: Simplify right side
    18,235.63x = 157,471,569.38
  5. Step 5: Solve for x
    x = 157,471,569.38/18,235.63
  6. Step 6: Final answer
    x = 8,635.38

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Similar ratio
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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.