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Finding the Fourth Proportional to 3,098.67, 4,644.50 and 1,539.77

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Solution

The fourth proportional to 3,098.67, 4,644.50 and 1,539.77 is: 2,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.67 : 4,644.50 = 1,539.77 : x
  2. Step 2: Convert to fraction form
    3,098.67/4,644.50 = 1,539.77/x
  3. Step 3: Cross multiply
    3,098.67x = 4,644.50 × 1,539.77
  4. Step 4: Simplify right side
    3,098.67x = 7,151,430.84
  5. Step 5: Solve for x
    x = 7,151,430.84/3,098.67
  6. Step 6: Final answer
    x = 2,307.90

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Why These Related Problems?

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