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Finding the Fourth Proportional to 64,393.77, 96,590.15 and 20,020.44

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Solution

The fourth proportional to 64,393.77, 96,590.15 and 20,020.44 is: 30,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.77 : 96,590.15 = 20,020.44 : x
  2. Step 2: Convert to fraction form
    64,393.77/96,590.15 = 20,020.44/x
  3. Step 3: Cross multiply
    64,393.77x = 96,590.15 × 20,020.44
  4. Step 4: Simplify right side
    64,393.77x = 1,933,777,202.56
  5. Step 5: Solve for x
    x = 1,933,777,202.56/64,393.77
  6. Step 6: Final answer
    x = 30,030.50

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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.