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Finding the Fourth Proportional to 4,644.06, 6,966.72 and 1,356.72

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Solution

The fourth proportional to 4,644.06, 6,966.72 and 1,356.72 is: 2,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.06 : 6,966.72 = 1,356.72 : x
  2. Step 2: Convert to fraction form
    4,644.06/6,966.72 = 1,356.72/x
  3. Step 3: Cross multiply
    4,644.06x = 6,966.72 × 1,356.72
  4. Step 4: Simplify right side
    4,644.06x = 9,451,888.36
  5. Step 5: Solve for x
    x = 9,451,888.36/4,644.06
  6. Step 6: Final answer
    x = 2,035.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.