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Finding the Fourth Proportional to 14,401.64, 21,605.02 and 4,913.44

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Solution

The fourth proportional to 14,401.64, 21,605.02 and 4,913.44 is: 7,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.64 : 21,605.02 = 4,913.44 : x
  2. Step 2: Convert to fraction form
    14,401.64/21,605.02 = 4,913.44/x
  3. Step 3: Cross multiply
    14,401.64x = 21,605.02 × 4,913.44
  4. Step 4: Simplify right side
    14,401.64x = 106,154,903.17
  5. Step 5: Solve for x
    x = 106,154,903.17/14,401.64
  6. Step 6: Final answer
    x = 7,371.03

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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.