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Finding the Fourth Proportional to 1,832.38, 2,528.66 and 993.08

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Solution

The fourth proportional to 1,832.38, 2,528.66 and 993.08 is: 1,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.38 : 2,528.66 = 993.08 : x
  2. Step 2: Convert to fraction form
    1,832.38/2,528.66 = 993.08/x
  3. Step 3: Cross multiply
    1,832.38x = 2,528.66 × 993.08
  4. Step 4: Simplify right side
    1,832.38x = 2,511,156.71
  5. Step 5: Solve for x
    x = 2,511,156.71/1,832.38
  6. Step 6: Final answer
    x = 1,370.44

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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.