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Finding the Fourth Proportional to 1,859.84, 2,565.62 and 1,262.37

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Solution

The fourth proportional to 1,859.84, 2,565.62 and 1,262.37 is: 1,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.84 : 2,565.62 = 1,262.37 : x
  2. Step 2: Convert to fraction form
    1,859.84/2,565.62 = 1,262.37/x
  3. Step 3: Cross multiply
    1,859.84x = 2,565.62 × 1,262.37
  4. Step 4: Simplify right side
    1,859.84x = 3,238,755.41
  5. Step 5: Solve for x
    x = 3,238,755.41/1,859.84
  6. Step 6: Final answer
    x = 1,741.41

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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.