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Finding the Fourth Proportional to 18,624.53, 27,904.30 and 15,524.46

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Solution

The fourth proportional to 18,624.53, 27,904.30 and 15,524.46 is: 23,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.53 : 27,904.30 = 15,524.46 : x
  2. Step 2: Convert to fraction form
    18,624.53/27,904.30 = 15,524.46/x
  3. Step 3: Cross multiply
    18,624.53x = 27,904.30 × 15,524.46
  4. Step 4: Simplify right side
    18,624.53x = 433,199,150.37
  5. Step 5: Solve for x
    x = 433,199,150.37/18,624.53
  6. Step 6: Final answer
    x = 23,259.60

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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.