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Finding the Fourth Proportional to 4,931.04, 7,396.63 and 1,644.13

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Solution

The fourth proportional to 4,931.04, 7,396.63 and 1,644.13 is: 2,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.04 : 7,396.63 = 1,644.13 : x
  2. Step 2: Convert to fraction form
    4,931.04/7,396.63 = 1,644.13/x
  3. Step 3: Cross multiply
    4,931.04x = 7,396.63 × 1,644.13
  4. Step 4: Simplify right side
    4,931.04x = 12,161,044.14
  5. Step 5: Solve for x
    x = 12,161,044.14/4,931.04
  6. Step 6: Final answer
    x = 2,466.22

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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.