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Finding the Fourth Proportional to 1,885.01, 2,829.25 and 961.23

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Solution

The fourth proportional to 1,885.01, 2,829.25 and 961.23 is: 1,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.01 : 2,829.25 = 961.23 : x
  2. Step 2: Convert to fraction form
    1,885.01/2,829.25 = 961.23/x
  3. Step 3: Cross multiply
    1,885.01x = 2,829.25 × 961.23
  4. Step 4: Simplify right side
    1,885.01x = 2,719,559.98
  5. Step 5: Solve for x
    x = 2,719,559.98/1,885.01
  6. Step 6: Final answer
    x = 1,442.73

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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.