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Finding the Fourth Proportional to 7,068.14, 9,754.16 and 3,881.73

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Solution

The fourth proportional to 7,068.14, 9,754.16 and 3,881.73 is: 5,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.14 : 9,754.16 = 3,881.73 : x
  2. Step 2: Convert to fraction form
    7,068.14/9,754.16 = 3,881.73/x
  3. Step 3: Cross multiply
    7,068.14x = 9,754.16 × 3,881.73
  4. Step 4: Simplify right side
    7,068.14x = 37,863,032.67
  5. Step 5: Solve for x
    x = 37,863,032.67/7,068.14
  6. Step 6: Final answer
    x = 5,356.86

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1.5x scale

Why These Related Problems?

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