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Finding the Fourth Proportional to 3,528.47, 5,293.03 and 995.55

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Solution

The fourth proportional to 3,528.47, 5,293.03 and 995.55 is: 1,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.47 : 5,293.03 = 995.55 : x
  2. Step 2: Convert to fraction form
    3,528.47/5,293.03 = 995.55/x
  3. Step 3: Cross multiply
    3,528.47x = 5,293.03 × 995.55
  4. Step 4: Simplify right side
    3,528.47x = 5,269,476.02
  5. Step 5: Solve for x
    x = 5,269,476.02/3,528.47
  6. Step 6: Final answer
    x = 1,493.42

Related Problems

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Half scale
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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.