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Finding the Fourth Proportional to 18,392.51, 27,589.02 and 5,244.89

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Solution

The fourth proportional to 18,392.51, 27,589.02 and 5,244.89 is: 7,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.51 : 27,589.02 = 5,244.89 : x
  2. Step 2: Convert to fraction form
    18,392.51/27,589.02 = 5,244.89/x
  3. Step 3: Cross multiply
    18,392.51x = 27,589.02 × 5,244.89
  4. Step 4: Simplify right side
    18,392.51x = 144,701,237.16
  5. Step 5: Solve for x
    x = 144,701,237.16/18,392.51
  6. Step 6: Final answer
    x = 7,867.40

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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.