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Finding the Fourth Proportional to 29,671.60, 40,958.63 and 19,466.52

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Solution

The fourth proportional to 29,671.60, 40,958.63 and 19,466.52 is: 26,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,671.60 : 40,958.63 = 19,466.52 : x
  2. Step 2: Convert to fraction form
    29,671.60/40,958.63 = 19,466.52/x
  3. Step 3: Cross multiply
    29,671.60x = 40,958.63 × 19,466.52
  4. Step 4: Simplify right side
    29,671.60x = 797,321,990.07
  5. Step 5: Solve for x
    x = 797,321,990.07/29,671.60
  6. Step 6: Final answer
    x = 26,871.55

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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.