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Finding the Fourth Proportional to 29,955, 41,337.90 and 16,707

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Solution

The fourth proportional to 29,955, 41,337.90 and 16,707 is: 23,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,955 : 41,337.90 = 16,707 : x
  2. Step 2: Convert to fraction form
    29,955/41,337.90 = 16,707/x
  3. Step 3: Cross multiply
    29,955x = 41,337.90 × 16,707
  4. Step 4: Simplify right side
    29,955x = 690,632,295.30
  5. Step 5: Solve for x
    x = 690,632,295.30/29,955
  6. Step 6: Final answer
    x = 23,055.66

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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.