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Finding the Fourth Proportional to 37,889.67, 52,288.00 and 20,894.56

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Solution

The fourth proportional to 37,889.67, 52,288.00 and 20,894.56 is: 28,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,889.67 : 52,288.00 = 20,894.56 : x
  2. Step 2: Convert to fraction form
    37,889.67/52,288.00 = 20,894.56/x
  3. Step 3: Cross multiply
    37,889.67x = 52,288.00 × 20,894.56
  4. Step 4: Simplify right side
    37,889.67x = 1,092,534,570.32
  5. Step 5: Solve for x
    x = 1,092,534,570.32/37,889.67
  6. Step 6: Final answer
    x = 28,834.63

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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.