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Finding the Fourth Proportional to 36,856.89, 50,862.51 and 20,089.89

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Solution

The fourth proportional to 36,856.89, 50,862.51 and 20,089.89 is: 27,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,856.89 : 50,862.51 = 20,089.89 : x
  2. Step 2: Convert to fraction form
    36,856.89/50,862.51 = 20,089.89/x
  3. Step 3: Cross multiply
    36,856.89x = 50,862.51 × 20,089.89
  4. Step 4: Simplify right side
    36,856.89x = 1,021,822,231.02
  5. Step 5: Solve for x
    x = 1,021,822,231.02/36,856.89
  6. Step 6: Final answer
    x = 27,724.05

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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.