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Finding the Fourth Proportional to 18,255.42, 27,251.07 and 16,041.08

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Solution

The fourth proportional to 18,255.42, 27,251.07 and 16,041.08 is: 23,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.42 : 27,251.07 = 16,041.08 : x
  2. Step 2: Convert to fraction form
    18,255.42/27,251.07 = 16,041.08/x
  3. Step 3: Cross multiply
    18,255.42x = 27,251.07 × 16,041.08
  4. Step 4: Simplify right side
    18,255.42x = 437,136,457.70
  5. Step 5: Solve for x
    x = 437,136,457.70/18,255.42
  6. Step 6: Final answer
    x = 23,945.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.