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Finding the Fourth Proportional to 1,836.89, 2,534.87 and 997.59

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Solution

The fourth proportional to 1,836.89, 2,534.87 and 997.59 is: 1,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.89 : 2,534.87 = 997.59 : x
  2. Step 2: Convert to fraction form
    1,836.89/2,534.87 = 997.59/x
  3. Step 3: Cross multiply
    1,836.89x = 2,534.87 × 997.59
  4. Step 4: Simplify right side
    1,836.89x = 2,528,755.98
  5. Step 5: Solve for x
    x = 2,528,755.98/1,836.89
  6. Step 6: Final answer
    x = 1,376.65

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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.