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Finding the Fourth Proportional to 29,008, 40,032.66 and 16,436.80

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Solution

The fourth proportional to 29,008, 40,032.66 and 16,436.80 is: 22,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008 : 40,032.66 = 16,436.80 : x
  2. Step 2: Convert to fraction form
    29,008/40,032.66 = 16,436.80/x
  3. Step 3: Cross multiply
    29,008x = 40,032.66 × 16,436.80
  4. Step 4: Simplify right side
    29,008x = 658,008,825.89
  5. Step 5: Solve for x
    x = 658,008,825.89/29,008
  6. Step 6: Final answer
    x = 22,683.70

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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.