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Finding the Fourth Proportional to 52,874.66, 72,963.63 and 28,996.26

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Solution

The fourth proportional to 52,874.66, 72,963.63 and 28,996.26 is: 40,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.66 : 72,963.63 = 28,996.26 : x
  2. Step 2: Convert to fraction form
    52,874.66/72,963.63 = 28,996.26/x
  3. Step 3: Cross multiply
    52,874.66x = 72,963.63 × 28,996.26
  4. Step 4: Simplify right side
    52,874.66x = 2,115,672,386.02
  5. Step 5: Solve for x
    x = 2,115,672,386.02/52,874.66
  6. Step 6: Final answer
    x = 40,012.98

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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.