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Finding the Fourth Proportional to 7,762.74, 10,709.12 and 5,244.04

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Solution

The fourth proportional to 7,762.74, 10,709.12 and 5,244.04 is: 7,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.74 : 10,709.12 = 5,244.04 : x
  2. Step 2: Convert to fraction form
    7,762.74/10,709.12 = 5,244.04/x
  3. Step 3: Cross multiply
    7,762.74x = 10,709.12 × 5,244.04
  4. Step 4: Simplify right side
    7,762.74x = 56,159,053.64
  5. Step 5: Solve for x
    x = 56,159,053.64/7,762.74
  6. Step 6: Final answer
    x = 7,234.44

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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.