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Finding the Fourth Proportional to 3,627.32, 5,440.53 and 995.03

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Solution

The fourth proportional to 3,627.32, 5,440.53 and 995.03 is: 1,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.32 : 5,440.53 = 995.03 : x
  2. Step 2: Convert to fraction form
    3,627.32/5,440.53 = 995.03/x
  3. Step 3: Cross multiply
    3,627.32x = 5,440.53 × 995.03
  4. Step 4: Simplify right side
    3,627.32x = 5,413,518.10
  5. Step 5: Solve for x
    x = 5,413,518.10/3,627.32
  6. Step 6: Final answer
    x = 1,492.43

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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.