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Finding the Fourth Proportional to 5,780.74, 7,977.22 and 3,262.91

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Solution

The fourth proportional to 5,780.74, 7,977.22 and 3,262.91 is: 4,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.74 : 7,977.22 = 3,262.91 : x
  2. Step 2: Convert to fraction form
    5,780.74/7,977.22 = 3,262.91/x
  3. Step 3: Cross multiply
    5,780.74x = 7,977.22 × 3,262.91
  4. Step 4: Simplify right side
    5,780.74x = 26,028,950.91
  5. Step 5: Solve for x
    x = 26,028,950.91/5,780.74
  6. Step 6: Final answer
    x = 4,502.70

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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.