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Finding the Fourth Proportional to 20,595.48, 30,894.48 and 5,805.66

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Solution

The fourth proportional to 20,595.48, 30,894.48 and 5,805.66 is: 8,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.48 : 30,894.48 = 5,805.66 : x
  2. Step 2: Convert to fraction form
    20,595.48/30,894.48 = 5,805.66/x
  3. Step 3: Cross multiply
    20,595.48x = 30,894.48 × 5,805.66
  4. Step 4: Simplify right side
    20,595.48x = 179,362,846.76
  5. Step 5: Solve for x
    x = 179,362,846.76/20,595.48
  6. Step 6: Final answer
    x = 8,708.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.