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Finding the Fourth Proportional to 4,073.28, 6,109.90 and 995.28

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Solution

The fourth proportional to 4,073.28, 6,109.90 and 995.28 is: 1,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.28 : 6,109.90 = 995.28 : x
  2. Step 2: Convert to fraction form
    4,073.28/6,109.90 = 995.28/x
  3. Step 3: Cross multiply
    4,073.28x = 6,109.90 × 995.28
  4. Step 4: Simplify right side
    4,073.28x = 6,081,061.27
  5. Step 5: Solve for x
    x = 6,081,061.27/4,073.28
  6. Step 6: Final answer
    x = 1,492.92

Related Problems

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Double scale
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Similar ratio
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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.