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Finding the Fourth Proportional to 3,917.02, 5,875.54 and 995.32

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Solution

The fourth proportional to 3,917.02, 5,875.54 and 995.32 is: 1,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.02 : 5,875.54 = 995.32 : x
  2. Step 2: Convert to fraction form
    3,917.02/5,875.54 = 995.32/x
  3. Step 3: Cross multiply
    3,917.02x = 5,875.54 × 995.32
  4. Step 4: Simplify right side
    3,917.02x = 5,848,042.47
  5. Step 5: Solve for x
    x = 5,848,042.47/3,917.02
  6. Step 6: Final answer
    x = 1,492.98

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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.