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Finding the Fourth Proportional to 4,663.56, 6,994.78 and 1,376.58

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Solution

The fourth proportional to 4,663.56, 6,994.78 and 1,376.58 is: 2,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.56 : 6,994.78 = 1,376.58 : x
  2. Step 2: Convert to fraction form
    4,663.56/6,994.78 = 1,376.58/x
  3. Step 3: Cross multiply
    4,663.56x = 6,994.78 × 1,376.58
  4. Step 4: Simplify right side
    4,663.56x = 9,628,874.25
  5. Step 5: Solve for x
    x = 9,628,874.25/4,663.56
  6. Step 6: Final answer
    x = 2,064.70

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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.