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Finding the Fourth Proportional to 18,030.92, 27,009.66 and 14,711

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Solution

The fourth proportional to 18,030.92, 27,009.66 and 14,711 is: 22,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.92 : 27,009.66 = 14,711 : x
  2. Step 2: Convert to fraction form
    18,030.92/27,009.66 = 14,711/x
  3. Step 3: Cross multiply
    18,030.92x = 27,009.66 × 14,711
  4. Step 4: Simplify right side
    18,030.92x = 397,339,108.26
  5. Step 5: Solve for x
    x = 397,339,108.26/18,030.92
  6. Step 6: Final answer
    x = 22,036.54

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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.