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Finding the Fourth Proportional to 32,923, 45,433.74 and 18,019

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Solution

The fourth proportional to 32,923, 45,433.74 and 18,019 is: 24,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,923 : 45,433.74 = 18,019 : x
  2. Step 2: Convert to fraction form
    32,923/45,433.74 = 18,019/x
  3. Step 3: Cross multiply
    32,923x = 45,433.74 × 18,019
  4. Step 4: Simplify right side
    32,923x = 818,670,561.06
  5. Step 5: Solve for x
    x = 818,670,561.06/32,923
  6. Step 6: Final answer
    x = 24,866.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.