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Finding the Fourth Proportional to 18,602.69, 27,770.22 and 15,941.57

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Solution

The fourth proportional to 18,602.69, 27,770.22 and 15,941.57 is: 23,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.69 : 27,770.22 = 15,941.57 : x
  2. Step 2: Convert to fraction form
    18,602.69/27,770.22 = 15,941.57/x
  3. Step 3: Cross multiply
    18,602.69x = 27,770.22 × 15,941.57
  4. Step 4: Simplify right side
    18,602.69x = 442,700,767.19
  5. Step 5: Solve for x
    x = 442,700,767.19/18,602.69
  6. Step 6: Final answer
    x = 23,797.68

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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.