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Finding the Fourth Proportional to 9,896.63, 14,845.93 and 2,876.71

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Solution

The fourth proportional to 9,896.63, 14,845.93 and 2,876.71 is: 4,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.63 : 14,845.93 = 2,876.71 : x
  2. Step 2: Convert to fraction form
    9,896.63/14,845.93 = 2,876.71/x
  3. Step 3: Cross multiply
    9,896.63x = 14,845.93 × 2,876.71
  4. Step 4: Simplify right side
    9,896.63x = 42,707,390.98
  5. Step 5: Solve for x
    x = 42,707,390.98/9,896.63
  6. Step 6: Final answer
    x = 4,315.35

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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.