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Finding the Fourth Proportional to 1,537.90, 2,306.93 and 550.66

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Solution

The fourth proportional to 1,537.90, 2,306.93 and 550.66 is: 826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.90 : 2,306.93 = 550.66 : x
  2. Step 2: Convert to fraction form
    1,537.90/2,306.93 = 550.66/x
  3. Step 3: Cross multiply
    1,537.90x = 2,306.93 × 550.66
  4. Step 4: Simplify right side
    1,537.90x = 1,270,334.07
  5. Step 5: Solve for x
    x = 1,270,334.07/1,537.90
  6. Step 6: Final answer
    x = 826.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.