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Finding the Fourth Proportional to 18,248.64, 27,303.62 and 11,134.81

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Solution

The fourth proportional to 18,248.64, 27,303.62 and 11,134.81 is: 16,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.64 : 27,303.62 = 11,134.81 : x
  2. Step 2: Convert to fraction form
    18,248.64/27,303.62 = 11,134.81/x
  3. Step 3: Cross multiply
    18,248.64x = 27,303.62 × 11,134.81
  4. Step 4: Simplify right side
    18,248.64x = 304,020,565.34
  5. Step 5: Solve for x
    x = 304,020,565.34/18,248.64
  6. Step 6: Final answer
    x = 16,659.90

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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.