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Finding the Fourth Proportional to 18,436.41, 27,654.71 and 4,585.41

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Solution

The fourth proportional to 18,436.41, 27,654.71 and 4,585.41 is: 6,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.41 : 27,654.71 = 4,585.41 : x
  2. Step 2: Convert to fraction form
    18,436.41/27,654.71 = 4,585.41/x
  3. Step 3: Cross multiply
    18,436.41x = 27,654.71 × 4,585.41
  4. Step 4: Simplify right side
    18,436.41x = 126,808,195.24
  5. Step 5: Solve for x
    x = 126,808,195.24/18,436.41
  6. Step 6: Final answer
    x = 6,878.14

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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.