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Finding the Fourth Proportional to 2,555.42, 3,832.14 and 995.22

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Solution

The fourth proportional to 2,555.42, 3,832.14 and 995.22 is: 1,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.42 : 3,832.14 = 995.22 : x
  2. Step 2: Convert to fraction form
    2,555.42/3,832.14 = 995.22/x
  3. Step 3: Cross multiply
    2,555.42x = 3,832.14 × 995.22
  4. Step 4: Simplify right side
    2,555.42x = 3,813,826.10
  5. Step 5: Solve for x
    x = 3,813,826.10/2,555.42
  6. Step 6: Final answer
    x = 1,492.45

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Double scale
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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.