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Finding the Fourth Proportional to 19,754.62, 27,261.03 and 10,802.14

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Solution

The fourth proportional to 19,754.62, 27,261.03 and 10,802.14 is: 14,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.62 : 27,261.03 = 10,802.14 : x
  2. Step 2: Convert to fraction form
    19,754.62/27,261.03 = 10,802.14/x
  3. Step 3: Cross multiply
    19,754.62x = 27,261.03 × 10,802.14
  4. Step 4: Simplify right side
    19,754.62x = 294,477,462.60
  5. Step 5: Solve for x
    x = 294,477,462.60/19,754.62
  6. Step 6: Final answer
    x = 14,906.76

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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.