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Finding the Fourth Proportional to 1,887.67, 2,832.27 and 832.93

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Solution

The fourth proportional to 1,887.67, 2,832.27 and 832.93 is: 1,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.67 : 2,832.27 = 832.93 : x
  2. Step 2: Convert to fraction form
    1,887.67/2,832.27 = 832.93/x
  3. Step 3: Cross multiply
    1,887.67x = 2,832.27 × 832.93
  4. Step 4: Simplify right side
    1,887.67x = 2,359,068.49
  5. Step 5: Solve for x
    x = 2,359,068.49/1,887.67
  6. Step 6: Final answer
    x = 1,249.73

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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.