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Finding the Fourth Proportional to 7,520.72, 10,377.56 and 4,495.82

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Solution

The fourth proportional to 7,520.72, 10,377.56 and 4,495.82 is: 6,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.72 : 10,377.56 = 4,495.82 : x
  2. Step 2: Convert to fraction form
    7,520.72/10,377.56 = 4,495.82/x
  3. Step 3: Cross multiply
    7,520.72x = 10,377.56 × 4,495.82
  4. Step 4: Simplify right side
    7,520.72x = 46,655,641.80
  5. Step 5: Solve for x
    x = 46,655,641.80/7,520.72
  6. Step 6: Final answer
    x = 6,203.61

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