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Finding the Fourth Proportional to 9,062.52, 12,505.90 and 5,083.96

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Solution

The fourth proportional to 9,062.52, 12,505.90 and 5,083.96 is: 7,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.52 : 12,505.90 = 5,083.96 : x
  2. Step 2: Convert to fraction form
    9,062.52/12,505.90 = 5,083.96/x
  3. Step 3: Cross multiply
    9,062.52x = 12,505.90 × 5,083.96
  4. Step 4: Simplify right side
    9,062.52x = 63,579,495.36
  5. Step 5: Solve for x
    x = 63,579,495.36/9,062.52
  6. Step 6: Final answer
    x = 7,015.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.