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Finding the Fourth Proportional to 64,020.21, 88,347.89 and 35,339.88

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Solution

The fourth proportional to 64,020.21, 88,347.89 and 35,339.88 is: 48,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,020.21 : 88,347.89 = 35,339.88 : x
  2. Step 2: Convert to fraction form
    64,020.21/88,347.89 = 35,339.88/x
  3. Step 3: Cross multiply
    64,020.21x = 88,347.89 × 35,339.88
  4. Step 4: Simplify right side
    64,020.21x = 3,122,203,830.85
  5. Step 5: Solve for x
    x = 3,122,203,830.85/64,020.21
  6. Step 6: Final answer
    x = 48,769.03

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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.