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Finding the Fourth Proportional to 18,196.26, 27,294.40 and 5,048.64

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Solution

The fourth proportional to 18,196.26, 27,294.40 and 5,048.64 is: 7,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.26 : 27,294.40 = 5,048.64 : x
  2. Step 2: Convert to fraction form
    18,196.26/27,294.40 = 5,048.64/x
  3. Step 3: Cross multiply
    18,196.26x = 27,294.40 × 5,048.64
  4. Step 4: Simplify right side
    18,196.26x = 137,799,599.62
  5. Step 5: Solve for x
    x = 137,799,599.62/18,196.26
  6. Step 6: Final answer
    x = 7,572.96

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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.