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Finding the Fourth Proportional to 52,913.16, 73,021.02 and 29,042.05

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Solution

The fourth proportional to 52,913.16, 73,021.02 and 29,042.05 is: 40,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,913.16 : 73,021.02 = 29,042.05 : x
  2. Step 2: Convert to fraction form
    52,913.16/73,021.02 = 29,042.05/x
  3. Step 3: Cross multiply
    52,913.16x = 73,021.02 × 29,042.05
  4. Step 4: Simplify right side
    52,913.16x = 2,120,680,113.89
  5. Step 5: Solve for x
    x = 2,120,680,113.89/52,913.16
  6. Step 6: Final answer
    x = 40,078.50

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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.