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Finding the Fourth Proportional to 18,259.84, 27,372.72 and 9,927.52

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Solution

The fourth proportional to 18,259.84, 27,372.72 and 9,927.52 is: 14,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.84 : 27,372.72 = 9,927.52 : x
  2. Step 2: Convert to fraction form
    18,259.84/27,372.72 = 9,927.52/x
  3. Step 3: Cross multiply
    18,259.84x = 27,372.72 × 9,927.52
  4. Step 4: Simplify right side
    18,259.84x = 271,743,225.25
  5. Step 5: Solve for x
    x = 271,743,225.25/18,259.84
  6. Step 6: Final answer
    x = 14,882.02

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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.