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Finding the Fourth Proportional to 13,149.46, 19,712.47 and 4,827.57

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Solution

The fourth proportional to 13,149.46, 19,712.47 and 4,827.57 is: 7,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.46 : 19,712.47 = 4,827.57 : x
  2. Step 2: Convert to fraction form
    13,149.46/19,712.47 = 4,827.57/x
  3. Step 3: Cross multiply
    13,149.46x = 19,712.47 × 4,827.57
  4. Step 4: Simplify right side
    13,149.46x = 95,163,206.10
  5. Step 5: Solve for x
    x = 95,163,206.10/13,149.46
  6. Step 6: Final answer
    x = 7,237.04

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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.