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Finding the Fourth Proportional to 7,506.78, 10,351.71 and 4,522.02

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Solution

The fourth proportional to 7,506.78, 10,351.71 and 4,522.02 is: 6,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.78 : 10,351.71 = 4,522.02 : x
  2. Step 2: Convert to fraction form
    7,506.78/10,351.71 = 4,522.02/x
  3. Step 3: Cross multiply
    7,506.78x = 10,351.71 × 4,522.02
  4. Step 4: Simplify right side
    7,506.78x = 46,810,639.65
  5. Step 5: Solve for x
    x = 46,810,639.65/7,506.78
  6. Step 6: Final answer
    x = 6,235.78

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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.