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Finding the Fourth Proportional to 18,502.59, 27,750.82 and 6,653.96

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Solution

The fourth proportional to 18,502.59, 27,750.82 and 6,653.96 is: 9,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.59 : 27,750.82 = 6,653.96 : x
  2. Step 2: Convert to fraction form
    18,502.59/27,750.82 = 6,653.96/x
  3. Step 3: Cross multiply
    18,502.59x = 27,750.82 × 6,653.96
  4. Step 4: Simplify right side
    18,502.59x = 184,652,963.50
  5. Step 5: Solve for x
    x = 184,652,963.50/18,502.59
  6. Step 6: Final answer
    x = 9,979.84

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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.