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Finding the Fourth Proportional to 37,893.92, 52,294.01 and 20,898.90

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Solution

The fourth proportional to 37,893.92, 52,294.01 and 20,898.90 is: 28,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,893.92 : 52,294.01 = 20,898.90 : x
  2. Step 2: Convert to fraction form
    37,893.92/52,294.01 = 20,898.90/x
  3. Step 3: Cross multiply
    37,893.92x = 52,294.01 × 20,898.90
  4. Step 4: Simplify right side
    37,893.92x = 1,092,887,181.09
  5. Step 5: Solve for x
    x = 1,092,887,181.09/37,893.92
  6. Step 6: Final answer
    x = 28,840.70

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1.5x scale

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.