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Finding the Fourth Proportional to 20,258.46, 27,943.02 and 17,601.30

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Solution

The fourth proportional to 20,258.46, 27,943.02 and 17,601.30 is: 24,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.46 : 27,943.02 = 17,601.30 : x
  2. Step 2: Convert to fraction form
    20,258.46/27,943.02 = 17,601.30/x
  3. Step 3: Cross multiply
    20,258.46x = 27,943.02 × 17,601.30
  4. Step 4: Simplify right side
    20,258.46x = 491,833,477.93
  5. Step 5: Solve for x
    x = 491,833,477.93/20,258.46
  6. Step 6: Final answer
    x = 24,277.93

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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.