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Finding the Fourth Proportional to 28,167.84, 38,841.39 and 23,740.38

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Solution

The fourth proportional to 28,167.84, 38,841.39 and 23,740.38 is: 32,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.84 : 38,841.39 = 23,740.38 : x
  2. Step 2: Convert to fraction form
    28,167.84/38,841.39 = 23,740.38/x
  3. Step 3: Cross multiply
    28,167.84x = 38,841.39 × 23,740.38
  4. Step 4: Simplify right side
    28,167.84x = 922,109,358.33
  5. Step 5: Solve for x
    x = 922,109,358.33/28,167.84
  6. Step 6: Final answer
    x = 32,736.25

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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.