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Finding the Fourth Proportional to 7,153.92, 9,873.12 and 4,800.96

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Solution

The fourth proportional to 7,153.92, 9,873.12 and 4,800.96 is: 6,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.92 : 9,873.12 = 4,800.96 : x
  2. Step 2: Convert to fraction form
    7,153.92/9,873.12 = 4,800.96/x
  3. Step 3: Cross multiply
    7,153.92x = 9,873.12 × 4,800.96
  4. Step 4: Simplify right side
    7,153.92x = 47,400,454.20
  5. Step 5: Solve for x
    x = 47,400,454.20/7,153.92
  6. Step 6: Final answer
    x = 6,625.80

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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.