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Finding the Fourth Proportional to 7,052.90, 9,725.13 and 4,815.95

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Solution

The fourth proportional to 7,052.90, 9,725.13 and 4,815.95 is: 6,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.90 : 9,725.13 = 4,815.95 : x
  2. Step 2: Convert to fraction form
    7,052.90/9,725.13 = 4,815.95/x
  3. Step 3: Cross multiply
    7,052.90x = 9,725.13 × 4,815.95
  4. Step 4: Simplify right side
    7,052.90x = 46,835,739.82
  5. Step 5: Solve for x
    x = 46,835,739.82/7,052.90
  6. Step 6: Final answer
    x = 6,640.64

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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.