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Finding the Fourth Proportional to 35,366, 48,807.72 and 20,263.36

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Solution

The fourth proportional to 35,366, 48,807.72 and 20,263.36 is: 27,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,366 : 48,807.72 = 20,263.36 : x
  2. Step 2: Convert to fraction form
    35,366/48,807.72 = 20,263.36/x
  3. Step 3: Cross multiply
    35,366x = 48,807.72 × 20,263.36
  4. Step 4: Simplify right side
    35,366x = 989,008,401.14
  5. Step 5: Solve for x
    x = 989,008,401.14/35,366
  6. Step 6: Final answer
    x = 27,964.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.