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Finding the Fourth Proportional to 2,591.00, 3,885.94 and 1,030.72

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Solution

The fourth proportional to 2,591.00, 3,885.94 and 1,030.72 is: 1,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.00 : 3,885.94 = 1,030.72 : x
  2. Step 2: Convert to fraction form
    2,591.00/3,885.94 = 1,030.72/x
  3. Step 3: Cross multiply
    2,591.00x = 3,885.94 × 1,030.72
  4. Step 4: Simplify right side
    2,591.00x = 4,005,298.21
  5. Step 5: Solve for x
    x = 4,005,298.21/2,591.00
  6. Step 6: Final answer
    x = 1,545.85

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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.