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Finding the Fourth Proportional to 5,158.00, 7,737.02 and 1,869.80

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Solution

The fourth proportional to 5,158.00, 7,737.02 and 1,869.80 is: 2,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.00 : 7,737.02 = 1,869.80 : x
  2. Step 2: Convert to fraction form
    5,158.00/7,737.02 = 1,869.80/x
  3. Step 3: Cross multiply
    5,158.00x = 7,737.02 × 1,869.80
  4. Step 4: Simplify right side
    5,158.00x = 14,466,670.65
  5. Step 5: Solve for x
    x = 14,466,670.65/5,158.00
  6. Step 6: Final answer
    x = 2,804.71

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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.