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Finding the Fourth Proportional to 4,914.53, 7,368.94 and 1,626.74

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Solution

The fourth proportional to 4,914.53, 7,368.94 and 1,626.74 is: 2,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.53 : 7,368.94 = 1,626.74 : x
  2. Step 2: Convert to fraction form
    4,914.53/7,368.94 = 1,626.74/x
  3. Step 3: Cross multiply
    4,914.53x = 7,368.94 × 1,626.74
  4. Step 4: Simplify right side
    4,914.53x = 11,987,349.46
  5. Step 5: Solve for x
    x = 11,987,349.46/4,914.53
  6. Step 6: Final answer
    x = 2,439.16

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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.