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Finding the Fourth Proportional to 1,633.62, 2,253.53 and 995.76

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Solution

The fourth proportional to 1,633.62, 2,253.53 and 995.76 is: 1,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.62 : 2,253.53 = 995.76 : x
  2. Step 2: Convert to fraction form
    1,633.62/2,253.53 = 995.76/x
  3. Step 3: Cross multiply
    1,633.62x = 2,253.53 × 995.76
  4. Step 4: Simplify right side
    1,633.62x = 2,243,969.42
  5. Step 5: Solve for x
    x = 2,243,969.42/1,633.62
  6. Step 6: Final answer
    x = 1,373.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.