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Finding the Fourth Proportional to 29,687.58, 40,968.63 and 16,258.59

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Solution

The fourth proportional to 29,687.58, 40,968.63 and 16,258.59 is: 22,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.58 : 40,968.63 = 16,258.59 : x
  2. Step 2: Convert to fraction form
    29,687.58/40,968.63 = 16,258.59/x
  3. Step 3: Cross multiply
    29,687.58x = 40,968.63 × 16,258.59
  4. Step 4: Simplify right side
    29,687.58x = 666,092,158.03
  5. Step 5: Solve for x
    x = 666,092,158.03/29,687.58
  6. Step 6: Final answer
    x = 22,436.73

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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.