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Finding the Fourth Proportional to 1,837.03, 2,535.10 and 997.73

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Solution

The fourth proportional to 1,837.03, 2,535.10 and 997.73 is: 1,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.03 : 2,535.10 = 997.73 : x
  2. Step 2: Convert to fraction form
    1,837.03/2,535.10 = 997.73/x
  3. Step 3: Cross multiply
    1,837.03x = 2,535.10 × 997.73
  4. Step 4: Simplify right side
    1,837.03x = 2,529,349.17
  5. Step 5: Solve for x
    x = 2,529,349.17/1,837.03
  6. Step 6: Final answer
    x = 1,376.87

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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.