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Finding the Fourth Proportional to 2,726.62, 4,089.12 and 995.38

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Solution

The fourth proportional to 2,726.62, 4,089.12 and 995.38 is: 1,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.62 : 4,089.12 = 995.38 : x
  2. Step 2: Convert to fraction form
    2,726.62/4,089.12 = 995.38/x
  3. Step 3: Cross multiply
    2,726.62x = 4,089.12 × 995.38
  4. Step 4: Simplify right side
    2,726.62x = 4,070,228.27
  5. Step 5: Solve for x
    x = 4,070,228.27/2,726.62
  6. Step 6: Final answer
    x = 1,492.77

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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.