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Finding the Fourth Proportional to 63,676.70, 95,515.05 and 57,771.80

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Solution

The fourth proportional to 63,676.70, 95,515.05 and 57,771.80 is: 86,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.70 : 95,515.05 = 57,771.80 : x
  2. Step 2: Convert to fraction form
    63,676.70/95,515.05 = 57,771.80/x
  3. Step 3: Cross multiply
    63,676.70x = 95,515.05 × 57,771.80
  4. Step 4: Simplify right side
    63,676.70x = 5,518,076,365.59
  5. Step 5: Solve for x
    x = 5,518,076,365.59/63,676.70
  6. Step 6: Final answer
    x = 86,657.70

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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.