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Finding the Fourth Proportional to 52,890.44, 72,883.32 and 37,740.40

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Solution

The fourth proportional to 52,890.44, 72,883.32 and 37,740.40 is: 52,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890.44 : 72,883.32 = 37,740.40 : x
  2. Step 2: Convert to fraction form
    52,890.44/72,883.32 = 37,740.40/x
  3. Step 3: Cross multiply
    52,890.44x = 72,883.32 × 37,740.40
  4. Step 4: Simplify right side
    52,890.44x = 2,750,645,650.13
  5. Step 5: Solve for x
    x = 2,750,645,650.13/52,890.44
  6. Step 6: Final answer
    x = 52,006.48

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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.