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Finding the Fourth Proportional to 5,003.64, 7,484.00 and 2,918.43

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Solution

The fourth proportional to 5,003.64, 7,484.00 and 2,918.43 is: 4,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.64 : 7,484.00 = 2,918.43 : x
  2. Step 2: Convert to fraction form
    5,003.64/7,484.00 = 2,918.43/x
  3. Step 3: Cross multiply
    5,003.64x = 7,484.00 × 2,918.43
  4. Step 4: Simplify right side
    5,003.64x = 21,841,515.53
  5. Step 5: Solve for x
    x = 21,841,515.53/5,003.64
  6. Step 6: Final answer
    x = 4,365.13

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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.