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Finding the Fourth Proportional to 63,676.60, 95,369.45 and 30,420.23

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Solution

The fourth proportional to 63,676.60, 95,369.45 and 30,420.23 is: 45,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.60 : 95,369.45 = 30,420.23 : x
  2. Step 2: Convert to fraction form
    63,676.60/95,369.45 = 30,420.23/x
  3. Step 3: Cross multiply
    63,676.60x = 95,369.45 × 30,420.23
  4. Step 4: Simplify right side
    63,676.60x = 2,901,159,975.03
  5. Step 5: Solve for x
    x = 2,901,159,975.03/63,676.60
  6. Step 6: Final answer
    x = 45,560.85

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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.