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Finding the Fourth Proportional to 29,173.30, 40,258.47 and 17,842.92

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Solution

The fourth proportional to 29,173.30, 40,258.47 and 17,842.92 is: 24,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.30 : 40,258.47 = 17,842.92 : x
  2. Step 2: Convert to fraction form
    29,173.30/40,258.47 = 17,842.92/x
  3. Step 3: Cross multiply
    29,173.30x = 40,258.47 × 17,842.92
  4. Step 4: Simplify right side
    29,173.30x = 718,328,659.53
  5. Step 5: Solve for x
    x = 718,328,659.53/29,173.30
  6. Step 6: Final answer
    x = 24,622.81

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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.