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Finding the Fourth Proportional to 19,796.76, 27,319.32 and 10,844.28

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Solution

The fourth proportional to 19,796.76, 27,319.32 and 10,844.28 is: 14,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.76 : 27,319.32 = 10,844.28 : x
  2. Step 2: Convert to fraction form
    19,796.76/27,319.32 = 10,844.28/x
  3. Step 3: Cross multiply
    19,796.76x = 27,319.32 × 10,844.28
  4. Step 4: Simplify right side
    19,796.76x = 296,258,355.49
  5. Step 5: Solve for x
    x = 296,258,355.49/19,796.76
  6. Step 6: Final answer
    x = 14,964.99

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1.5x scale

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.