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Finding the Fourth Proportional to 1,733.37, 2,391 and 1,291.71

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Solution

The fourth proportional to 1,733.37, 2,391 and 1,291.71 is: 1,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.37 : 2,391 = 1,291.71 : x
  2. Step 2: Convert to fraction form
    1,733.37/2,391 = 1,291.71/x
  3. Step 3: Cross multiply
    1,733.37x = 2,391 × 1,291.71
  4. Step 4: Simplify right side
    1,733.37x = 3,088,478.61
  5. Step 5: Solve for x
    x = 3,088,478.61/1,733.37
  6. Step 6: Final answer
    x = 1,781.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.