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Finding the Fourth Proportional to 1,755.42, 2,423.43 and 1,092.84

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Solution

The fourth proportional to 1,755.42, 2,423.43 and 1,092.84 is: 1,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.42 : 2,423.43 = 1,092.84 : x
  2. Step 2: Convert to fraction form
    1,755.42/2,423.43 = 1,092.84/x
  3. Step 3: Cross multiply
    1,755.42x = 2,423.43 × 1,092.84
  4. Step 4: Simplify right side
    1,755.42x = 2,648,421.24
  5. Step 5: Solve for x
    x = 2,648,421.24/1,755.42
  6. Step 6: Final answer
    x = 1,508.71

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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.